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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 gas is evolved when dilute sulphuric acid is added to Zinc?

  Sulphur Dioxide

  Argon

  Hydrogen

  Hydrogen Peroxide

  Half-n-half Clue
 

2.

Catalysts often speed up certain chemical reactions.

  False

  True

 

3.

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

  True

  False

 

4.

If no more solute can be dissolved in a solvent at a given temperature then that solution is called

  A Dispersed Solution

  A Saturated Solution

  An Unstable Solution

  A Real Solution

  Half-n-half Clue
 

5.

A substance that absorbs moisture is known as

  Hygroscopic

  Hydrophilic

  Hydrophobic

  Amorphous

  Half-n-half Clue
 

6.

Lemon juice is

  Neutral

  Basic

  Metallic

  Acidic

  Half-n-half Clue
 

7.

Which of the following is a chemical change?

  Boiling of water

  Dissolving of salt in water

  Rusting of iron

  Freezing of water

  Half-n-half Clue
 


 
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