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Chemistry Mixed Test - 2

Chemistry Mix Test - 2

14 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is used for preparing TNT and dynamite?

  1. Sulphuric acid
  2. Hydrochloric acid
  3. Nitric acid
  4. Sodium hydroxide
Question 2 Multiple Choice (Single Answer)

What is the taste of ammonium hydroxide?

  1. Sweet
  2. Sour
  3. Bitter
  4. Tasteless
Question 3 Multiple Choice (Single Answer)

Litmus paper test for acidic nature is turning of _______.

  1. red litmus to blue
  2. blue litmus to red
  3. red litmus to white
  4. blue litmus to black
Question 4 Multiple Choice (Single Answer)

A compound containing one or more replaceable hydrogen atoms is called ____.

  1. acid
  2. base
  3. neutral
  4. oxide
Question 5 Multiple Choice (Single Answer)

Which of the following is known as baking soda?

  1. Sodium carbonate
  2. Sodium chloride
  3. Calcium carbonate
  4. Sodium bicarbonate
Question 6 Multiple Choice (Single Answer)

Which of the following is used as a fungicide?

  1. Potash alum
  2. Copper sulphate
  3. Potassium nitrate
  4. Calcium carbonate
Question 7 Multiple Choice (Single Answer)

The main constituents of atmospheric gas are ____________.

  1. nitrogen and carbon dioxide
  2. nitrogen and argon
  3. nitrogen and oxygen
  4. nitrogen and helium
Question 8 Multiple Choice (Single Answer)

Which of the following gases is called laughing gas?

  1. Nitrous oxide
  2. Sodium chloride
  3. Sodium carbonate
  4. Sodium bicarbonate
Question 9 Multiple Choice (Single Answer)

Why sodium is kept immersed in kerosene oil?

  1. Kerosene
  2. Water
  3. Cold pot (freezer)
  4. H2SO4
Question 10 Multiple Choice (Single Answer)

Water (hot/cold) does not react with ____________.

  1. sodium
  2. calcium
  3. potassium
  4. barium
Question 11 Multiple Choice (Single Answer)

Which of the following is not a base (alkali)?

  1. Solution of ammonia
  2. Sodium hydroxide
  3. Potassium hydroxide
  4. Sulphuric acid
Question 12 Multiple Choice (Single Answer)

When acid reacts with base, it gives ______.

  1. salt and salt
  2. salt and water
  3. acid and water
  4. water and metal
Question 13 Multiple Choice (Single Answer)

What is the molecular formula of quick lime?

  1. CaO
  2. CO2
  3. SO2
  4. H2SO4
Question 14 Multiple Choice (Single Answer)

Hard water can be softened by the addtion of a compound called calgon. Chemical Name of Calgon is ______.

  1. Sodium Aluminium Silicate
  2. Sodium Hexameta Phosphate
  3. Calcium Aluminium Silicate
  4. Magnesium Permutit
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