Separation of Substances Test - 2

Paheli bought some vegetables such as French beans, lady’s finger, green chillies, brinjals and potatoes all mixed in a bag. Which of the following methods of separation would be most appropriate for her to separate them?

Boojho’s grandmother is suffering from diabetes. Her doctor advised her to take ‘Lassi’ with less fat content. Which of the following methods would be most appropriate for Boojho to prepare it?

Which of the following mixtures would you be able to separate using the method of filtration?

Which amongst the following methods would be most appropriate to separate grains from bundles of stalks?

our mixtures are given below

1. Kidney beans and chick peas
2. Pulses and rice
3. Rice flakes and corn
4. Potato wafers and biscuitsWhich of these can be separated by the method of winnowing?

While preparing chapatis, Paheli found that the flour to be used was mixed with wheat grains. Which out of the following is the most suitable method to separate the grains from the flour?

You might have observed the preparation of ghee from butter and cream at home. Some methods of separation are given below:

1. Evaporation
2. Decantation
3. Filtration
4. ChurningWhich of the following combinations is the correct answer?

In an activity, a teacher dissolved a small amount of solid copper sulphate in a tumbler half filled with water. Which method would you use to get back solid copper sulphate from the solution?

During summer, Boojho carries water in a transparent plastic bottle to his school. One day he left his bottle in the school. The bottle still had some water left in it. The following day, he observed some water droplets on the inner surface of the empty portion of the bottle. These droplets of water were formed due to

Paheli asked for a glass of water from Boojho. He gave her a glass of ice cold water. Paheli observed some water droplets on the outer surface of the glass and asked Boojho how these droplets of water were formed? Which of the following should be Boojho’s answer?