(C) Pure iron is soft and stretches easily when hot. It is not suitable for making tools and machines because it lacks the necessary hardness and stre

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If the Assertion is correct but Reason is incorrect.

(C) Pure iron is soft and stretches easily when hot. It is not suitable for making tools and machines because it lacks the necessary hardness and strength.To make it useful,iron is mixed with small amounts of carbon to form steel,which is much harder and more durable.Therefore,the Assertion is correct,but the Reason is incorrect because pure iron is soft,not hard.

Class 12 Chemistry General Principles and Processes of Isolation of Elements Occurrence

Medium

Assertion: Pure iron is not used for making tools and machines.
Reason: Pure iron is hard.

AIIMS 1998 All AIIMS

A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
C
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.