1.

Assertion : In thermite welding , aluminium powder and Fe_2O_3 are used Reason : Aluminium powder is a strong reducing agent .

Answer»

Both Assertionand REASON are TURE and Reason is correct EXPLANATION of Assertion.
Both Assertionand Reasonare true but Reason is OT the correct explanation of Assertion.
Assertion is true but Reason is FALSE.
Assertion is false but reason is true.

Answer :A


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