A small amount of puffed rice is mixed with chana dal. Can you think of separating the mixture by any method other than handpicking?

Have you ever observed white patches on the dark coloured clothes you wear during hot summers? How are these patches formed?

In the chapter ‘Materials Around Us’, you have studied that oil does not mix with water and forms a separate layer when left undisturbed for some time. Which method of separation would you use to separate oil and water?

What purpose does handpicking serve in the process of separation?

Which of the following substances are commonly separated using the churning method?

Which factor is usually essential for the filtration?

State with reason(s) whether the give statement is True [T] or False [F].

Salt can be separated from salt solution by keeping it under the Sun.