Question

Why foam accumulates on the surface of dal kept for a long time in summer ? Give reaaons?

Answer 1

Explanation:

1. summer time is favourable for production of microbes.

2. in substances like dal, certain microbes starts growing and release some gases as byproduct.

3. due to the releasing of byproducts, the foam accumulates on it.

4. therefore,foam accumulates on surface of dal kept for a long time.

Answer 2

Answer:

In summer, the atmospheric temperature is favourable for microbial growth. Foodstuffs like 'dal' which kept open for a long time favours the growth of microbes. The microbes release various gases as byproduct and these gases form foam on the surface of foodstuffs having more water content.