[TBQ.XI.(4)]
Reason type question
Assertion (A) : The formation of iron oxide from iron is a chemical change.
Reason (R) : For the rust to form from iron, it must be exposed to air and water.

(a) Both A and R are true and R is the correct explanation of A.

(b) Both A and R are true but R is not the correct explanation of A.

(c) A is true but R is false.
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(d) A is false but R is true.

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Solution

(b) Both A and R are true but R is not the correct explanation of A.

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Similar questions

Assertion: Corrosion of iron is commonly known as rusting.

Reason: Corrosion of iron occurs in the presence of moist air.

(A) Both assertion and reason are false.

(B) Assertion is true, but the reason is false.

(D) Both assertion and reason are true. The reason is not the correct explanation of assertion.

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