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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