Question 2 — Assertion: Air is a - Questions at the end of the chapter - Chapter 8 Class 8 - Nature of Matter: Elements, Compounds (Curiosity)

Last updated at June 17, 2026 by

Q 2
Question

Assertion: Air is a mixture. Reason: A mixture is formed when two or more substances are mixed, without undergoing any chemical change.

  • (i) Both Assertion and Reason are true and Reason is the correct explanation for Assertion.
  • (ii) Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion.
  • (iii) Assertion is true, but Reason is false.
  • (iv) Assertion is false, but Reason is true.
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Answer
Option (i) is correct.

Explanation

  • Air is a uniform mixture of gases — so the Assertion is true.
  • A mixture forms by mixing without any chemical change — Reason is true.
  • The Reason correctly explains why air counts as a mixture.
Both are true, and the Reason is the correct explanation of the Assertion.
← Back to concept: 8.1.1 Is air a mixture?
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