Separation of Substances
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Quiz Instructions
This test is consist of 25 Multiple Choice Questions and each question is of 1 mark. Try your best to attempt all questions correctly..
Rajan’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 Rajan to prepare it? *
1 point
Boojho obtained salt from salt water solution by evaporation but water cannot be recovered during evaporation, it is lost into air. In order to recover both salt as well as water from solution, the method will be ______. *
1 point
Which of the following statements is incorrect? *
1 point
Paheli wants to write the reasons for separating mixtures into their compounds. Choose the correct answer. *
1 point
While preparing chapattis, Swati 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? *
1 point
In a solution of salt and water, no more salt can be dissolved. If we want to add more salt, it needs to be_________. *
1 point
Which of the following mixture would you be able to separate using the method of filtration? *
1 point
You can get a pure liquid from a solution by : *
1 point
The process of adding a chemical substance to help the suspended solid particles in a liquid to form a sediment is called : *
1 point
The mixture of oil and water can be separated by using a device called a : *
1 point
The process of winnowing is used to separate two solids depending on the - *
1 point
A saturated solution can be made unsaturated by - *
1 point
Tea leaves can be separated from tea by the process of - *
1 point
Butter is separated from milk by - *
1 point
Threshing is done by - *
1 point
The process of conversion of water vapours into liquid is called *
1 point
Which method is used to separate pebbles and stones from sand? *
1 point
The process of settling down of particles of a solid in liquid is *
1 point
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? *
1 point
A mixture of oil and water can be separated by filtration. *
1 point
A mixture of wheat grains and rice flakes can be separated by winnowing. *
1 point
A mixture of tea leaves and milk can be separated by decantation. *
1 point
Tick the odd one out *
1 point
The force of wind is used in the process of - *
1 point
During summer, Boojho carries water in a transparent plastic bottle to his school. One day, he left his bottle in this school. The bottle still had some water left in it. The next 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_____________. *
1 point
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