Question

foam accumulates on the surface of dal kept for a long time in summer​

Answer 1

• they release chemicals from their tissues.

• These chemicals, often proteins, leach out as water boils, and the air that is 'dissolved' in the water when cold bubbles out, catches the proteins and floats to the surface, forming a foam.

• The denatured protein is floating to the surface.

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Answer 2

Foam gets accumulated on the surface of the dal, this happens due to denaturation of protein at high temperature in summer. Denaturation is a process in which protein molecules loses its structure due to breaking of weak chemical bonds.

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