Half portion of a rectangular piece of ice is wrapped with a white piece of cloth while the other half with a black one. In this context, which one among the following statements is correct?
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.
