Assertion: Air is a mixture. Reason: A mixture is formed when two or more substances are mixed Class 8
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Assertion: Air is a mixture. Reason: A mixture is formed when two or more substances are mixed Class 8
Assertion: Air is a mixture. Class 8
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.
Answer:
The correct choice is (i) Both Assertion and Reason are true and Reason is the correct explanation for Assertion.
Justification: Air is a mixture of gases (mainly nitrogen, oxygen, argon, etc) that do not undergo any chemical change when mixed,which supports both the assertion and the reason.