Allied solutions

Allied solutions

Grade 8

Chemical Reactions | Objective Type Questions

Question 1

Q1)

Select the correct answer from A, B, C, D and E for each statement given below:

A: Iron

B: Carbonic Acid

C: Hydrogen

D: Oxygen

E: Carbon monoxide

  1. The product formed during direct combination reaction of carbon dioxide and water
  2. The neutral gas obtained on thermal decomposition of potassium nitrate.
  3. The displaced product of the displacement reaction of sodium with cold water.
  4. The catalyst used in the catalytic reaction involving the reactants nitrogen & hydrogen,
  5. A neutral oxide which does not react with an acid or a base to give salt & water.

Solution:

  1. The product formed during direct combination reaction of carbon dioxide and water B: Carbonic acid

  2. The neutral gas obtained on thermal decomposition of potassium nitrate. D: Oxygen

  3. The displaced product of the displacement reaction of sodium with cold water. C: Hydrogen

  4. The catalyst used in the catalytic reaction involving the reactants nitrogen & hydrogen, A: Iron

  5. A neutral oxide which does not react with an acid or a base to give salt & water. E: Carbon monoxide

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subject-cta

Question 1

Q1)

Select the correct answer from A, B, C, D and E for each statement given below:

A: Iron

B: Carbonic Acid

C: Hydrogen

D: Oxygen

E: Carbon monoxide

  1. The product formed during direct combination reaction of carbon dioxide and water
  2. The neutral gas obtained on thermal decomposition of potassium nitrate.
  3. The displaced product of the displacement reaction of sodium with cold water.
  4. The catalyst used in the catalytic reaction involving the reactants nitrogen & hydrogen,
  5. A neutral oxide which does not react with an acid or a base to give salt & water.

Solution:

  1. The product formed during direct combination reaction of carbon dioxide and water B: Carbonic acid

  2. The neutral gas obtained on thermal decomposition of potassium nitrate. D: Oxygen

  3. The displaced product of the displacement reaction of sodium with cold water. C: Hydrogen

  4. The catalyst used in the catalytic reaction involving the reactants nitrogen & hydrogen, A: Iron

  5. A neutral oxide which does not react with an acid or a base to give salt & water. E: Carbon monoxide

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subject-cta
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