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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.

What is the combination of any substance with oxygen known as?

  Combustion

  Oxidation

  Hydrogenation

  Reduction

  Half-n-half Clue
 

2.

Which of the following is not a physical change?

  Distillation

  Decantation

  Precipitation

  Oxidation

  Half-n-half Clue
 

3.

Which of the following is a chemical change?

  Boiling of water

  Freezing of water

  Dissolving of salt in water

  Rusting of iron

  Half-n-half Clue
 

4.

Lemon juice is

  Basic

  Metallic

  Acidic

  Neutral

  Half-n-half Clue
 

5.

Heat is liberated in

  All chemical reactions

  Exothermic Reactions

  Endothermic Reactions

  Substitution Reactions

  Half-n-half Clue
 

6.

Which of the following gases is green in color?

  Neon

  Chlorine

  Krypton

  Hydrogen

  Half-n-half Clue
 

7.

Catalysts often speed up certain chemical reactions.

  False

  True

 


 
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