Allied solutions

Allied solutions

Grade 7

Elements, Compounds and Mixtures | Objective Type Questions

Question 1

Q1) Select the correct answer A,B,C,D & E for each statement given below:

A: Chalk B: Oxygen C: Silicon D: Bromine E: Nitrous oxide

  1. An element present in the earth’s crust, atmosphere and human body.

  2. The chemical name for dinitrogen oxide (N2O).

  3. A compound containing carbon, oxygen and calcium.

  4. A metalloid

  5. A non-metal which exists in the liquid state.

Solution:

  1. B: Oxygen

  2. E: Nitrous oxide

  3. A: Chalk

  4. C: Silicon

  5. D: Bromine

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subject-cta

Question 1

Q1) Select the correct answer A,B,C,D & E for each statement given below:

A: Chalk B: Oxygen C: Silicon D: Bromine E: Nitrous oxide

  1. An element present in the earth’s crust, atmosphere and human body.

  2. The chemical name for dinitrogen oxide (N2O).

  3. A compound containing carbon, oxygen and calcium.

  4. A metalloid

  5. A non-metal which exists in the liquid state.

Solution:

  1. B: Oxygen

  2. E: Nitrous oxide

  3. A: Chalk

  4. C: Silicon

  5. D: Bromine

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subject-cta
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