1.

Assertion (A): A low grade sulphide ore is concentrated using pine oil and frothing agent. Reason (R) : A number of drugs are used to kill germs by getting adsorbed on them.

Answer»

Both ASSERTION (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A)
Assertion (A) is correct, but Reason (R) is INCORRECT statement.
Assertion (A) is incorrect, but Reason (R) is correct statement

ANSWER :B


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