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Chemistry : General Chemistry


Answer the following questions by choosing the most appropriate option.

Formats Info Page Quiz Review
Multiple choice

Your Performance  

1.

A substance that speeds up the rate of a chemical reaction without undergoing any change itself is known as a _______.

  nucleus

  counter ion

  cation

  catalyst

  Half-n-half Clue
 

2.

Lemon juice is _______ in nature.

  neutral

  basic

  acidic

  metallic

  Half-n-half Clue
 

3.

A substance that absorbs moisture is called _______.

  hydrophilic

  amorphous

  hydrophobic

  hygroscopic

  Half-n-half Clue
 

4.

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

  Oxidation

  Combustion

  Hydrogenation

  Reduction

  Half-n-half Clue
 

5.

The 'fizz' in soft drinks is caused by _______.

  Carbon dioxide

  nitrogen

  helium

  hydrogen

  Half-n-half Clue
 

6.

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

  an unstable solution

  a real solution

  a saturated solution

  a dispersed solution

  Half-n-half Clue
 

7.

A pH below 7 indicates _______.

  purity of the sample

  presence of ions

  alkalinity

  acidity

  Half-n-half Clue
 


 
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