1.

Assertion (A) : Bauxite is purified by leaching. Reason (S) : Aluminium oxide reacts with sodium hydroxide to form soluble sodium meta aluminate.

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 :A


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