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Science Quiz : General Chemistry


Given the QUESTION, identify the ANSWER

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Multiple choice

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1.

Which of the following is a chemical change?

  Boiling of water

  Rusting of iron

  Freezing of water

  Dissolving of salt in water

  Half-n-half Clue
 

2.

Which of the following is not an allotrope of carbon

  Charcoal

  Diamond

  Silk

  Graphite

  Half-n-half Clue
 

3.

The lead of a pencil mainly contains

  Plastics

  Graphite

  Lead

  Carbon Black

  Half-n-half Clue
 

4.

Solubility of a substance in a solvent usually increases with an increase in temperature.

  False

  True

 

5.

A substance that absorbs moisture is known as

  Hydrophobic

  Hydrophilic

  Amorphous

  Hygroscopic

  Half-n-half Clue
 

6.

Which of the following gases is green in color?

  Chlorine

  Krypton

  Hydrogen

  Neon

  Half-n-half Clue
 

7.

Heat is liberated in

  Endothermic Reactions

  Substitution Reactions

  Exothermic Reactions

  All chemical reactions

  Half-n-half Clue
 


 
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