Question

Give the scientific reasons :





1. Foam accumulates on the surface of the dal kept for a long time in summer.​

Answer 1

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