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Science Quiz : General Chemistry


Given the QUESTION, identify the ANSWER

Formats Info Page Worksheet / Test Paper Quiz Review
Multiple choice

Your Performance  

1.

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

  False

  True

 

2.

Catalysts often speed up certain chemical reactions.

  False

  True

 

3.

Which of the following is not a physical change?

  Oxidation

  Distillation

  Precipitation

  Decantation

  Half-n-half Clue
 

4.

Lemon juice is

  Acidic

  Neutral

  Basic

  Metallic

  Half-n-half Clue
 

5.

A substance that absorbs moisture is known as

  Hygroscopic

  Hydrophobic

  Hydrophilic

  Amorphous

  Half-n-half Clue
 

6.

The two allotropes of phosphorus are

  Alpha Phosphorus, Beta Phosphorus

  Red Phosphorus, Yellow Phosphorus

  Crystalline Phosphorus, Amorphous Phosphorus

  Rhombic Phosphorus, Monoclinic Phosphorus

  Half-n-half Clue
 

7.

A pH of below 7 indicates

  Alkalinity

  Presence of Ions

  Acidity

  Purity of the sample

  Half-n-half Clue
 


 
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