1.

Assertion. The micelle formed by sodium stearte inn water has -COO^(-) groups at the surface. Reason. Surface tension of water is reduced by addition of stearate.

Answer»

If both ASSERTION and REASON are ture, and reason is the trure explanation of the assertion.
If both assertion and reason are TRUE, but reason is not the true explanation of the assertion.
If assertion is true, but reason is false.
If both assertion and reason false.

Answer :A


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