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Stoichiometry MCQs Part24

Chemistry Quiz of Stoichiometry MCQs

Calculation based on the chemical equations are known as the stoichiometry and this Chemistry Quiz contains Stoichiometry MCQs.

MCQ-1.  If a compound containing 50 % of element A having atomic weight 10 and 50 % of element B having atomic weight 20 then, its simplest formula is :

  AB
  A₂B
  AB₃
  A₂B₃

MCQ-2.  Element A having atomic weight 75 and element B having atomic weight 16 combine together to give a compound. This compound have 75.8% of A then, the formula of the compound is :

  AB
  A₂B
  A₂B₂
  A₂B₃

MCQ-3.  The equivalent weight of calcium phosphate Ca₃(PO₄)₂ is ___________. (Given Molecular Weight = 310) :

  310
  310/2
  310/3
  310/6

MCQ-4.  The percentage of oxygen in NaOH is :

  0.01
  0.08
  0.16
  0.4

MCQ-5.  Number of moles of KCl in 1000ml of 3 molar solution is :

  1
  2
  3
  4

MCQ-6.  How much quicklime can be obtained from the 25 gram of CaCO₃ :

  14
  28
  42
  56

MCQ-7.  0.528 gram of a monocarboxylic acid requires 6meq of a base for the neutralization. Sodium salt of this acid on heating with soda lime will give :

  Ethane
  Propane
  Butane
  Pentane

MCQ-8.  When 10 gram of 90% pure lime stone is heated completely, the volume in litres of carbon dioxide librated at STP is :

  2.016
  2.24
  20.16
  22.4

MCQ-9.  If the solubility of the Salt in water is 40 at 30 degree celcius. How much amount of water is required to dissolve 120 gram salt at the same temperature: :

  200 gram
  4 litre
  300 gram
  8 litre

MCQ-10.  When 26 c.c. of CO₂ is passed over the red hot coke, then volume of CO evolved is :

  10 c.c.
  15 c.c.
  32 c.c.
  None of these

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Top 100 Basic Chemistry Quiz Question Answers

100 GK Questions Chemistry Quiz

Top 100 Chemistry Janral Nolej MCQs Quiz

We publish some chemistry general knowledge question-answer to increase your chemical science GK.
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Q1.Who is father of modern chemistry

• Rutherford
• C.V.Raman
• Lavoisier
• Einstein

Ans of Chemistry GK Question Q1: Lavoisier

Q2.Who is father of modern atomic theory

• Rutherford
• John Dalton
• Jaber
• Robert Boyle

Ans of Chemistry GK Question Q2: John Dalton

Q3.Who is father of modern chemical thermodynamics

• Rutherford
• C.V.Raman
• Lavoisier
• Willard Gibbs

Ans of Chemistry GK Question Q3: Willard Gibbs

Q4.Who is father of green chemistry

• Paul Anastas
• Otto Hahn 
• Sandhu Green
• Willard Gibbs

Ans of Chemistry GK Question Q4: Paul Anastas

Q5.Who is father of nuclear chemistry

• Marie Curie
• Otto Hahn 
• J.S. Sandhu
• John Dalton

Ans of Chemistry GK Question Q5: Otto Hahn
  

Q6.Who is father of periodic table

• Dimitri Mendeleev
• Albert Einstein
• Rutherford
• John Dalton

Ans of Chemistry GK Question Q6: Dimitri Mendeleev

Q7.Who is father of physical chemistry

• Mikhail Lomonosov
• J. Van't Hoff
• S. Arrhenius and W. Ostwald
• All of Above

Ans of Chemistry GK Question Q7: All of Above i.e. Mikhail Lomonosov, J. Van't Hoff, S. Arrhenius and W. Ostwald

Q8.Who coined the term physical chemistry

• Mikhail Lomonosov
• J. Van't Hoff
• S. Arrhenius and W. Ostwald
• All of Above

Ans of Chemistry GK Question Q8: Mikhail Lomonosov

Q9.Who is the father of modern geochemistry

• Victor Goldschmidt
• Eratosthenes
• Georgeus Agricola
• Alfered Wegener

Ans of Chemistry GK Question Q9: Victor Goldschmidt

Q10.Which is Iron's purest form

• Steel
• Wrought Iron
• Pig Iron
• Nickel Iron

Ans of Chemistry GK Question Q10: Wrought Iron
Q11. Horizontal rows in periodic table is known as

• Periods
• Groups
• Columns
• Periodic Rows

Ans of Chemistry GK MCQ Question Q1: Periods

Q12. Which gas also known as stranger gas

• Nitrous Oxide
• Argon
• Neon
• Xenon

Ans of Chemistry GK MCQ Question Q2: Xenon

Q13. Atomic nucleus contains

• Electron and Proton
• Proton and Neutron
• Electron and Neutron
• Electron, Proton and Neutron

Ans of Chemistry GK MCQ Question Q3: Proton and Neutron

Q14. The Principle that "Atom is neither created nor destroyed" is given by

• Rutherford
• Neilsbohr
• Einstein
• Dalton

Ans of Chemistry GK MCQ Question Q4: Dalton

Q15. Select the correct structure of IF7

• Tetrahedral
• Square pyramidal
• Pentagonal bipyramidal
• Trigonal bipyramidal

Ans of Chemistry GK MCQ Question Q5: Pentagonal bipyramidal

Q16. Lemon contains

• Citric Acid
• Hydrochloric Acid
• Lactic Acid
• Marlic Acid

Ans of Chemistry GK MCQ Question Q6: Citric Acid

Q17. Vertical Columns in periodic table is known as

• Periods
• Groups
• Periodic Columns
• Periodic Rows

Ans of Chemistry GK MCQ Question Q7: Groups

Q18. ______ have maximum density

• Water
• Ice
• Chloroform
• Benzene

Ans of Chemistry GK MCQ Question Q8: Water  

Q19. Number of moles of solute present in one kilogram of solvent is known as

• Formality
• Molarity
• Normality
• Molality

Ans of Chemistry GK MCQ Question Q9: Molality

Q20. 2,4-D (Broad Leave Weed Killer) is a synthetic version of

• Cytokinin Hormone
• Auxin Hormone
• Both
• None

Ans of Chemistry GK MCQ Question Q10: Auxin Hormone

Q21. Rare gases are

• Mono Atomic
• Di Atomic
• Tri Atomic
• Tetra Atomic

Ans of Chemistry GK MCQ Question Q1: Di Atomic

Q22. Alkali metals belong to

• Group 0 in Periodic Table
• Group 1 in Periodic Table
• Group 2 in Periodic Table
• Group 3 in Periodic Table

Ans of Chemistry GK MCQ Question Q2: Group 1 in Periodic Table

Q23. Alkaline Earth metals belong to

• Group 0 in Periodic Table
• Group 1 in Periodic Table
• Group 2 in Periodic Table
• Group 3 in Periodic Table

Ans of Chemistry GK MCQ Question Q3:Group 2 in Periodic Table

Q24. Alkaline Earth metal is

• Na
• Mg
• O
• Fe

Ans of Chemistry GK MCQ Question Q4: Mg

Q25. Noble Gases belong to

• Group 0 in Periodic Table
• Group 1 in Periodic Table
• Group 2 in Periodic Table
• Group 3 in Periodic Table

Ans of Chemistry GK MCQ Question Q5: Group 0 in Periodic Table

Q26. Power Alcohol contains

• Ethyl Alcohol
• Methyl Alcohol
• Ethylene Alcohol
• None

Ans of Chemistry GK MCQ Question Q6: Ethyl Alcohol

Q27. Most electronegative element is

• Sodium
• Bromine
• Oxygen
• Fluorine

Ans of Chemistry GK MCQ Question Q7: Fluorine

Q28. Vinegar is aqueous solution of

• Citric Acid
• Hydrochloric Acid
• Acetic Acid
• Oxalic Acid

Ans of Chemistry GK MCQ Question Q8: Acetic Acid

Q29. Hydrogen bomb is based on which of the following principle

• Nuclear Fusion
• Nuclear Fission
• Both
• None

Ans of Chemistry GK MCQ Question Q9: Nuclear Fusion

Q30. PVC used in plastic industry, its full form is

• Polyvinyl Chloride
• Polyvinyl Carbohydrate
• Polyvanadium Chloride
• None

Ans of Chemistry GK MCQ Question Q10: Polyvinyl Chloride

Q31. After some time period electrochemical cell stop working due to

• Direction of rate of reaction get reverse
• One Electrode get completely consumed
• Both Electrodes get completely consumed
• Electrode potential of the both electrodes get equalizes

Ans of Chemistry GK MCQ Question Q1: Electrode potential of the both electrodes get equalizes 

Q32. _______ is used to produce artificial rain

• Carbon Monooxide
• Copper Oxide
• Silver Iodide
• Silver Nitrate

Ans of Chemistry GK MCQ Question Q2: Silver Iodide

Q33. Zero Group elements are

• Unreactive Non-metals
• Reactive Metals 
• Reactive Non-metals
• Unreactive Metals

Ans of Chemistry GK MCQ Question Q3: Unreactive Non-metals

Q34. Reaction between the chlorine and methane in the presence of diffused sunlight is

• Polymerization
• Oxidation 
• Substitution
• Reduction

Ans of Chemistry GK MCQ Question Q4: Substitution

Q35. Copper is recovered from the solution of copper sulphate, with the help of

• Na 
• Hg
• Ag
• Fe

Ans of Chemistry GK MCQ Question Q5: Fe

Q36. Oxidation reaction represents

• Electrons are lost
• Electrons are gained
• Protons are lost 
• Protons are gained

Ans of Chemistry GK MCQ Question Q6: Electrons are lost 

Q37. _______ acid is also known as oil of vitriol

• Phosphoric acid
• Hydrochloric acid
• Sulphuric acid
• Aquaregia

Ans of Chemistry GK MCQ Question Q7: Sulfuric acid

Q38. Proton have ___ charge and Electron have ___ charge

• -1,  +1
• -1,  -2
• +1,  -1 
• +2,  -2

Ans of Chemistry GK MCQ Question Q8: +1,  -1 

Q39. ______ aluminum alloy is used in manufacturing of magnets

• Alnico
• Aluminum bronze
• Y-Alloy
• None

Ans of Chemistry GK MCQ Question Q9: Alnico 

Q40. Number of electrons in the d-orbital of Fe⁺² (Z=26) is not equal to

• Number of electrons in p-orbital of Ne (Z=10)
• Number of electrons in d-orbital of Fe (Z=26)
• Number of electrons in s-orbital of Mg (Z=12)
• Number of electrons in p-orbital of Cl (Z=17)

Ans of Chemistry GK MCQ Question Q10: Number of electrons in p-orbital of Cl (Z=17)

Q41. Peptide synthesis is all about manufacturing or producing ______

• Peptides
• Amino Acids
• Fatty Acids
• Glycol

Ans of Chemistry GK MCQ Question Q1: Peptides

Q42. Peptides are organic compounds which are made-up of ______

• Multiple proteins
• Multiple fatty acids
• Multiple amino acids
• All of the Above

Ans of Chemistry GK MCQ Question Q2: Multiple amino acids

Q43. Long chain of peptides is known as ______

• Proteins
• Fatty acids
• Carbohydrates
• Peptide Synthesis

Ans of Chemistry GK MCQ Question Q3: Proteins

Q44. Synthesis of proteins from peptides in biological systems is called protein biosynthesis

• Protein Degradation
• Protein Biosynthesis
• Protein Bank
• Peptide synthesis

Ans of Chemistry GK MCQ Question Q4: Protein Biosynthesis 

Q45. Carnosine is a di-peptide of ______ and histidine

• Alpha Lysine
• Beta Lysine
• Alpha Alanine
• Beta Alanine

Ans of Chemistry GK MCQ Question Q5: Beta Alanine

Q46. Anserine is a di-peptide of ______ and 1-methylhistidine

• Alpha Lysine
• Beta Lysine
• Alpha Alanine
• Beta Alanine

Ans of Chemistry GK MCQ Question Q6: Beta Alanine

Q47. Which is true statement about Kyotorphin

• It is Di Peptide
• It is neuroactive compound
• It is L-tyrosyl-L-arginine
• All of the Above

Ans of Chemistry GK MCQ Question Q7: All of the Above i.e. Kyotorphin is a neuroactive di peptide also known as L-tyrosyl-L-arginine

Q48. Pseudoprolin derivatives are used to ______

• Minimize aggregation during solid-phase synthesis of peptides
• Maximize aggregation during solid-phase synthesis of peptides
• Both
• None

Ans of Chemistry GK MCQ Question Q8: Minimize aggregation during solid-phase synthesis of peptides

Q49. Aspartame is ______

• Artificial, non-saccharide sweetener
• Codified as E951
• It is a methyl ester
• All of the Above

Ans of Chemistry GK MCQ Question Q9: All of the Above Aspartame is a methyl ester codified as E951, and it is an artificial, non-saccharide sweetener

Q50. ______ peptide is cyclic in nature

• Gramicidin
• Glutathione
• Leu-encephalin 
• Met-encephalin

Ans of Chemistry GK MCQ Question Q10: Gramicidin

Q51. _________ are building blocks of proteins

• Peptides
• Amino Acids
• Fatty Acids
• Glycol

Ans of Chemistry GK MCQ Question Q1: Amino Acids

Q52. Which is true statement about amino acids

• At neutral pH, Amino Acids are uncharged
• In proteins, Amino Acids are generally found in D-configuration
• In protein synthesis, 24 Amino Acids are used
• According to Structure and property of side chains, Amino Acids are classified

Ans of Chemistry GK MCQ Question Q2: According to Structure and property of side chains, Amino Acids are classified

Q53. Amino Acids are joined together by

• Hydrogen Bonds
• Peptide Bonds
• Ionic Bonds
• Non-Ionic Bonds

Ans of Chemistry GK MCQ Question Q3: Peptide Bonds

Q54. ______ is a nano peptide

• Vasopressin
• Oxytocin
• Both
• None

Ans of Chemistry GK MCQ Question Q4: Both Vasopressin and Oxytocin

Q55. In the manufacturing of dynamite _______ is used

• Ethanol
• Methanol
• Glycerol
• Glycol

Ans of Chemistry GK MCQ Question Q5: Glycerol

Q56. ____ is not reasonable nucleophile in SN2 Reaction

• NC^-
• H₂O
• HO^-
• NH₃

Ans of Chemistry GK MCQ Question Q6: H₂O

Q57. _______ have highest Boiling Point

• CH₃OH
• CH₂F₂
• CH₃NH₂
• CH₃CH₂CH₂CH₃

Ans of Chemistry GK MCQ Question Q7: CH₃OH

Q58. Proton have ___ charge and Neutron have ___ charge

• -1,  +1
• -1,  0
• +1,  0
• +2,  -2

Ans of Chemistry GK MCQ Question Q8: +1,  0 

Q59. ______ is not plastic

• HDPE
• PVC
• PET
• DNA

Ans of Chemistry GK MCQ Question Q9: DNA

Q60. Polyester polymer contains

• Ketone Functional Group
• Aldehyde Functional Group
• Ester Functional Group
• Ether Functional Group

Ans of Chemistry GK MCQ Question Q10: Ester Functional Group

Q61. _________ is use to measure rain

• Rain Gauge
• Rainmeter
• Rain Scale
• None of the above

Ans of Chemistry GK MCQ Question Q1: Rain Gauge

Q62. alcoholic strength of liquids is measured by

• Alcoholmeter
• Alcohol Gauge
• Alcohol Scale
• All of the above

Ans of Chemistry GK MCQ Question Q2: Alcoholmeter

Q63. Radiation of item is measured by

• Curiemeter
• Caliper
• Dosimeter
• Radiationmeter

Ans of Chemistry GK MCQ Question Q3: Dosimeter

Q64. ______ is used in measurement of tanning liquors used in tanning leather

• Barometer
• Barkometer
• Tanningmeter
• Leathermeter

Ans of Chemistry GK MCQ Question Q4: Barkometer

Q65. Electromagnetic radiation is measured by

• Polometer
• Bolometer
• lectrometer
• Radiometer

Ans of Chemistry GK MCQ Question Q5: Bolometer

Q66. ____ device is used to measure breath alcohol content

• Breathmeter
• Breathalyzer
• Breathchecker
• Alcometer

Ans of Chemistry GK MCQ Question Q6: Breathalyzer

Q67. _______ is use to measure heat of chemical reactions

• Actinometer
• Heatchecker
• Heat Analyser
• Calorimeter

Ans of Chemistry GK MCQ Question Q7: Calorimeter

Q68. Device use to measure color is

• Coloranalyzer
• Alcohol
• Colorimeter
• Colorsensor

Ans of Chemistry GK MCQ Question Q8: Colorimeter 

Q69. ______ is use to measure specific gravity of liquids

• Density Analyzer
• Gravimeter
• Densimeter
• Potentiometer

Ans of Chemistry GK MCQ Question Q9: Densimeter

Q70. Degree of darkness in the photographic and/or semitransparent material is measured by

• Electrometer
• Gravimeter
• Densimeter
• Densitometer

Ans of Chemistry GK MCQ Question Q10: Densitometer

Q71. Structure of crystals is measured by

• Crystal Gauge
• Diffractometer
• Diffractoscale
• Dynamometer

Ans of Chemistry GK MCQ Question Q1: Diffractometer 

Q72. Size, speed, and velocity of raindrops is measured by

• Rainmeter
• Watermeter
• Rain Gauge
• Disdrometer

Ans of Chemistry GK MCQ Question Q2: Disdrometer

Q73. Volume changes caused by any physical or chemical process is measured by

• Dilatometer
• Caliper
• Densimeter
• Volume Sensor

Ans of Chemistry GK MCQ Question Q3: Dilatometer

Q74. ______ is used in measurement of rate of evaporation

• Barometer
• Heatingmeter
• Evaporationmeter
• Evaporimeter

Ans of Chemistry GK MCQ Question Q4: Evaporimeter

Q75. Exposure to hazards, especially radiation is measured by

• Polometer
• Bolometer
• Dosimeter
• Radiometer

Ans of Chemistry GK MCQ Question Q5: Dosimeter

Q76. ____ device is used to measure force,torque or power

• Dynamometer
• Forcealyzer
• Deltameter
• Fathometer

Ans of Chemistry GK MCQ Question Q6: Dynamometer

Q77. _______ is use to measure specific gravity of oils.

• Actinometer
• Elaeometer
• Specificgravity Analyser
• Densimeter

Ans of Chemistry GK MCQ Question Q7: Elaeometer

Q78. Device use to measure pitch of musical notes is

• Electronicmeter
• Electronic tuner
• DJ
• Buffer

Ans of Chemistry GK MCQ Question Q8: Electronic tuner 

Q79. ______ is use to measure change in volume of gas mixture following combustion

• Gasometer
• Eudiometer
• Electronicmeter
• Electronic tuner

Ans of Chemistry GK MCQ Question Q9: Eudiometer

Q80. Refractive index, dielectric function and thickness of thin films is measured by

• Refractometer
• Ellipsometer
• Densimeter
• Dielectrometer

Ans of Chemistry GK MCQ Question Q10: Ellipsometer

Q81. Fuel level is measured by

• Speedometer
• Fuel Scale
• Fuel Meter
• Fuel Gauge

Ans of Chemistry GK MCQ Question Q1: Fuel Gauge 

Q82. Electricity is measured by

• Ammeter
• Galvanometer
• Amplifier
• Currentmeter

Ans of Chemistry GK MCQ Question Q2: Galvanometer

Q83. Volume and density of solids is measured by

• Dilatometer
• Caliper
• Densimeter
• Gas Pycnometer

Ans of Chemistry GK MCQ Question Q3: Gas Pycnometer

Q84. ______ is used in measurement of blood glucose (diabetes)

• Glucometer
• Blood Glucose Monitor or Glucose Tester
• Glucose Meter
• Glucometer or Glucose Meter

Ans of Chemistry GK MCQ Question Q4: Glucometer and Glucose Meter

Q85. Specific gravity of liquids (density of liquids) is measured by

• Fathometer
• Thermometer
• Hygrometer
• Hydrometer

Ans of Chemistry GK MCQ Question Q5: Hydrometer

Q86. ____ device is used to measure humidity

• Dynamometer
• Thermometer
• Hygrometer
• Hydrometer

Ans of Chemistry GK MCQ Question Q6: Hygrometer

Q87. _______ is use to measure wave interference

• Actinometer
• Elaeometer
• Interferometer
• Load Cell

Ans of Chemistry GK MCQ Question Q7: Interferometer

Q88. Device use to measure composition of gases

• Heliometer
• Inkometer
• Katharometer
• Lux Meter

Ans of Chemistry GK MCQ Question Q8: Katharometer 

Q89. ______ is use to measure specific gravity of milk

• Gasometer
• Lactometer
• Milk Meter
• Chemical Tester

Ans of Chemistry GK MCQ Question Q9: Lactometer

Q90. Light in photography is measured by

• Light Meter
• Ellipsometer
• Photometer
• Light detector

Ans of Chemistry GK MCQ Question Q10: Light Meter

Q91. Measurement of force is measured by

• Load Meter
• Mass Cell
• Weight Cell
• Load Cell

Ans of Chemistry GK MCQ Question Q1: Load Cell 

Q92. Intensity of light is measured by

• Lux Meter
• Light Meter
• Photometer
• Disdrometer

Ans of Chemistry GK MCQ Question Q2: Lux Meter

Q93. The mass flow rate of a fluid traveling through the tube is measured by

• Fluid Flow Meter
• Volume Flow Meter
• Mass flow meter
• Volume Flow Gauge

Ans of Chemistry GK MCQ Question Q3: Mass flow meter

Q94. ______ is used in measurement of strength of magnetic fields

• Polometer
• Bolometer
• Magnetometer
• Radiometer

Ans of Chemistry GK MCQ Question Q4: Magnetometer

Q95. The masses of ions, used to identify chemical substance or chemical substances through their mass spectra is measured by

• Optical Emission Spectrometer
• Mass Spectrometer
• Modular Spectrometer
• UV-Visible Spectrometer

Ans of Chemistry GK MCQ Question Q5: Mass Spectrometer

Q96. ____ device is used to measure electrical potential, resistance, and current

• Multimeter
• Potentiometer
• Digital Multimeter
• Analog Multimeter

Ans of Chemistry GK MCQ Question Q6: Multimeter

Q97. _______ is use to measure atmospheric pressure

• Atmosphere Barometer
• Arab Barometer
• Mercury Barometer
• Air Barometer

Ans of Chemistry GK MCQ Question Q7: Mercury Barometer

Q98. Device use to measure the speed and direction of clouds

• Nephoscope
• Nephoscoper
• Mirror Nephoscope
• Nefoscope

Ans of Chemistry GK MCQ Question Q8: Nephoscope 

Q99. ______ is use to measure electrical resistance

• Chemical Resistance Meter
• Shunt
• Resistance Meter
• Ohm Meter

Ans of Chemistry GK MCQ Question Q9: Ohmmeter

Q100. Oscillations is measured by

• Oscillator
• Vectorscope
• Oscilloscope
• Oscillometer

Ans of Chemistry GK MCQ Question Q10: Oscilloscope

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