science of fireworks

Science of Fireworks

Their is great science behind fireworks. Fireworks are created to express joy happiness and to celebrate many festival's like Diwali Dhashera Eid Baisakhi Christmas etc. Fireworks produce brilliant Colors sparkling and shapes. Their are different chemicals, elements which produces different colours and also rocket science to move fireworks from ground to sky where they explode to produce different sparkling and shapes.

ANSWER BELOW QUESTIONS IN COMMENTS 

If you don't know answer then wait to get answer of these questions after Diwali Celebrations

How do fireworks work chemistry?

Where and when were the first fireworks invented?

What are fireworks made out of?

What chemicals are in fireworks?

Parts of a firework?

How do fireworks get their color?

How do fireworks explode?

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Chemistry GK Part6

Chemistry GK by www.ChemistryNotesInfo.com

Chemistry General Knowledge

Chemistry Multiple Choice Question Answer

Q1. _________ are building blocks of proteins

• Peptides
• Amino Acids
• Fatty Acids
• Glycol

Ans of Chemistry GK MCQ Question Q1: Amino Acids

Q2. 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

Q3. Amino Acids are joined together by

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

Ans of Chemistry GK MCQ Question Q3: Peptide Bonds

Q4. ______ is a nano peptide

• Vasopressin
• Oxytocin
• Both
• None

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

Q5. In the manufacturing of dynamite _______ is used

• Ethanol
• Methanol
• Glycerol
• Glycol

Ans of Chemistry GK MCQ Question Q5: Glycerol

Q6. ____ is not reasonable nucleophile in SN2 Reaction

• NC^-
• H₂O
• HO^-
• NH₃

Ans of Chemistry GK MCQ Question Q6: H₂O

Q7. _______ have highest Boiling Point

• CH₃OH
• CH₂F₂
• CH₃NH₂
• CH₃CH₂CH₂CH₃

Ans of Chemistry GK MCQ Question Q7: CH₃OH

Q8. Proton have ___ charge and Neutron have ___ charge

• -1,  +1
• -1,  0
• +1,  0
• +2,  -2

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

Q9. ______ is not plastic

• HDPE
• PVC
• PET
• DNA

Ans of Chemistry GK MCQ Question Q9: DNA

Q10. 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

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Chemistry GK Part5

Peptide Synthesis MCQs

Chemistry GK by www.ChemistryNotesInfo.com

Q1. Peptide synthesis is all about manufacturing or producing ______

• Peptides
• Amino Acids
• Fatty Acids
• Glycol

Ans of Chemistry GK MCQ Question Q1: Peptides

Q2. 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

Q3. Long chain of peptides is known as ______

• Proteins
• Fatty acids
• Carbohydrates
• Peptide Synthesis

Ans of Chemistry GK MCQ Question Q3: Proteins

Q4. 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 

Q5. 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

Q6. 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

Q7. 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

Q8. 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

Q9. 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

Q10. ______ peptide is cyclic in nature

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

Ans of Chemistry GK MCQ Question Q10: Gramicidin

Organic Chemistry General Knowledge

Organic Chemistry Multiple Choice Question Answer

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Peptide Synthesis

In the branch of Organic Chemistry, we study about Peptide Synthesis. Peptide synthesis is all about manufacturing or producing peptides, while peptides are organic compounds which are made-up of multiple amino acids through amide bonds. In biological systems these peptides are further joined together to form long chain of peptides, these long chain of peptides is known as proteins (Amino Acids are building blocks of proteins). While the synthesis of proteins from peptides in biological systems is called protein biosynthesis.

by : Chemistry Notes Info Online Classes

Peptide Synthesis MCQs

Q1. Peptide synthesis is all about manufacturing or producing ______

• Peptides
• Amino Acids
• Fatty Acids
• Glycol

Ans of Chemistry GK MCQ Question Q1: Peptides

Q2. 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

Q3. Long chain of peptides is known as ______

• Proteins
• Fatty acids
• Carbohydrates
• Peptide Synthesis

Ans of Chemistry GK MCQ Question Q3: Proteins

Q4. 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 

Q5. 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 
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Chemistry GK Part4

Chemistry MCQ

Chemistry General Knowledge as Chemistry Multiple Choice Question Answer

Q1. 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

Q2. _______ is used to produce artificial rain

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

Ans of Chemistry GK MCQ Question Q2: Silver Iodide

Q3. Zero Group elements are

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

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

Q4. 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

Q5. 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

Q6. 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

Q7. _______ acid is also known as oil of vitriol

• Phosphoric acid
• Hydrochloric acid
• Sulphuric acid
• Aquaregia

Ans of Chemistry GK MCQ Question Q7: Sulfuric acid

Q8. Proton have ___ charge and Electron have ___ charge

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

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

Q9. ______ aluminum alloy is used in manufacturing of magnets

• Alnico
• Aluminum bronze
• Y-Alloy
• None

Ans of Chemistry GK MCQ Question Q9: Alnico

Q10. 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)

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Chemistry GK Part5 => 

Chemistry GK Part3

Chemistry MCQs

Chemistry General Knowledge as Chemistry Multiple Choice Question Answer

Q1. Rare gases are

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

Ans of Chemistry GK MCQ Question Q1: Di Atomic

Q2. 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

Q3. 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

Q4. Alkaline Earth metal is

• Na
• Mg
• O
• Fe

Ans of Chemistry GK MCQ Question Q4: Mg

Q5. 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

Q6. Power Alcohol contains

• Ethyl Alcohol
• Methyl Alcohol
• Ethylene Alcohol
• None

Ans of Chemistry GK MCQ Question Q6: Ethyl Alcohol

Q7. Most electronegative element is

• Sodium
• Bromine
• Oxygen
• Fluorine

Ans of Chemistry GK MCQ Question Q7: Fluorine

Q8. Vinegar is aqueous solution of

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

Ans of Chemistry GK MCQ Question Q8: Acetic Acid

Q9. 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

Q10. 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

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Chemistry GK Part2

Chemistry MCQ

Chemistry General Knowledge as Chemistry Multiple Choice Question Answer

Q1. Horizontal rows in periodic table is known as

• Periods
• Groups
• Columns
• Periodic Rows

Ans of Chemistry GK MCQ Question Q1: Periods

Q2. Which gas also known as stranger gas

• Nitrous Oxide
• Argon
• Neon
• Xenon

Ans of Chemistry GK MCQ Question Q2: Xenon

Q3. 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

Q4. The Principle that "Atom is neither created nor destroyed" is given by

• Rutherford
• Neilsbohr
• Einstein
• Dalton

Ans of Chemistry GK MCQ Question Q4: Dalton

Q5. Select the correct structure of IF7

• Tetrahedral
• Square pyramidal
• Pentagonal bipyramidal
• Trigonal bipyramidal

Ans of Chemistry GK MCQ Question Q5: Pentagonal bipyramidal

Q6. Lemon contains

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

Ans of Chemistry GK MCQ Question Q6: Citric Acid

Q7. Vertical Columns in periodic table is known as

• Periods
• Groups
• Periodic Columns
• Periodic Rows

Ans of Chemistry GK MCQ Question Q7: Groups

Q8. ______ have maximum density

• Water
• Ice
• Chloroform
• Benzene

Ans of Chemistry GK MCQ Question Q8: Water 

Q9. 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

Q10. 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

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Chemistry GK Part1

Chemistry General Knowledge

We publish some chemistry general knowledge question-answer to increase your chemical science GK.

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

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