Question

While studying the saponification reaction , what do you observe when you mix an equal amount of colourless vegetable oil and 20% aqueous solution of NAOH in a beaker?

(1) The colour of the mixture has become dark brown.

(2) A brisk effervescence is taking place in beaker.

(3) The outer surface of the beaker has become hot.

(4) The outer surface of the beaker has become cold.

urgent.. plzz answer this!!​

Answer 1

the outer surface of beaker has become hot

Answer 2

The answer is (3).

I guess it is correct