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Chemistry : General Chemistry


Answer the following questions by choosing the most appropriate option.

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Multiple choice

Your Performance  

1.

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

  a dispersed solution

  a real solution

  an unstable solution

  a saturated solution

  Half-n-half Clue
 

2.

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

  True

  False

 

3.

Which of the following gases is green in color?

  Neon

  Chlorine

  Hydrogen

  Krypton

  Half-n-half Clue
 

4.

The lead of a pencil mainly contains _______.

  graphite

  plastics

  lead

  carbon black

  Half-n-half Clue
 

5.

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

  Oxidation

  Reduction

  Combustion

  Hydrogenation

  Half-n-half Clue
 

6.

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

  catalyst

  counter ion

  cation

  nucleus

  Half-n-half Clue
 

7.

Which of the following is a chemical change?

  Dissolving of salt in water

  Freezing of water

  Boiling of water

  Rusting of iron

  Half-n-half Clue
 


 
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