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Chemistry : General Chemistry


Answer the following questions by choosing the most appropriate option.

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Multiple choice

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1.

A pH below 7 indicates _______.

  alkalinity

  purity of the sample

  acidity

  presence of ions

  Half-n-half Clue
 

2.

Fill in the missing word:
Acid + _______ = Salt + Water

  Non Metal

  Base

  Oxygen

  Metal

  Half-n-half Clue
 

3.

Which of the following is not an acid?

  H2SO4

  HNO3

  NaOH

  HCl

  Half-n-half Clue
 

4.

Which of the following gases is green in color?

  Neon

  Chlorine

  Hydrogen

  Krypton

  Half-n-half Clue
 

5.

What gas is evolved when dilute sulfuric acid is added to zinc?

  Sulfur Dioxide

  Hydrogen

  Hydrogen Peroxide

  Argon

  Half-n-half Clue
 

6.

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

  True

  False

 

7.

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

  hydrogen

  nitrogen

  helium

  Carbon dioxide

  Half-n-half Clue
 

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