1.

Assertion (A) : Brass contains 60% zinc and 40% copper. Reason (S) : Formula for haematite is Fe_(2)O_(3).

Answer»

Both A and R are CORRECT STATEMENT, and R is the correct EXPLANATION of the A.
Both A and R are correct statement, but R is not the correct explanation of the A.
A is correct, but the R is INCORRECT statement.
A is incorrect, but the R is correct statement.

Answer :D


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