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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 _______.

  cation

  catalyst

  counter ion

  nucleus

  Half-n-half Clue
 

2.

Lemon juice is _______ in nature.

  metallic

  acidic

  basic

  neutral

  Half-n-half Clue
 

3.

Acids turn blue litmus paper _______.

  pink

  colorless

  yellow

  red

  Half-n-half Clue
 

4.

Which of the following is not an acid?

  H2SO4

  NaOH

  HNO3

  HCl

  Half-n-half Clue
 

5.

The two allotropes of phosphorus are _______ and _______.

  Alpha, Beta

  Crystalline, Amorphous

  Rhombic, Monoclinic

  Red, Yellow

  Half-n-half Clue
 

6.

The lead of a pencil mainly contains _______.

  carbon black

  lead

  graphite

  plastics

  Half-n-half Clue
 

7.

Which of the following gases is green in color?

  Chlorine

  Neon

  Hydrogen

  Krypton

  Half-n-half Clue
 


 
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