Question

Butter is generally wrapped in wet cloth during summer if no refrigerator is available ,why?

Answer 1

utter is generally wrapped in wet cloth during summer if no refrigerator is available because the butter gets melt due to heat during summer to keep it solid form it is wrapped with wet cloth
It is so to prevent butter from melting . the wet cloth has water which evaporates taking latent heat from the butter particles. Thereby keeping it cool which prevents melting