Amit had two balls made of paraffin. The masses of balls are , respectively. He immersed both the balls in a water bath containing hot water. He observed that ball melts faster than ball . Why is that so?
Akshat's mother had to set curd. She added a small amount of curd to warm milk. The microbes present in the curd help in setting if this mixture is kept approximately between . In colder regions, generally, the setting of curd becomes difficult. Suggest a way to set curd in such a situation.
