How will you separate a mixture of salt and white sand? (Hint: You may require a liquid)
Important Questions on Separation of Substances
Squeeze some drops of lime into a glass of milk. You will see a whitish solid forming after some time. Place a thin cloth over a bowl and pour the liquid on it. The white solid is left behind on the cloth and liquid collects in the bowl.
_____ is the name of the process represented by pouring the liquid through a cloth. (distillation/filtration/chromatography)
Name the following:
The process of pouring out the liquid without disturbing the sediments.
Squeeze some drops of lime into a glass of milk. You will see a whitish solid forming after some time. Place a thin cloth over a bowl and pour the liquid on it. The white solid is left behind on the cloth and liquid collects in the bowl. What is the correct name for the liquid that collects in the bowl?
Squeeze some drops of lime into a glass of milk. You will see a whitish solid forming after some time. Place a thin cloth over a bowl and pour the liquid on it. The white solid is left behind on the cloth and liquid collects in the bowl.
_____ is the process represented by adding lime to milk.
Match the statements in the column A with those in column B.
| Column A | Column B |
| 1. The process of removing insoluble particles of suspension by passing it through filter paper. |
(a) Sieving |
| 2. The process of obtaining soluble salt from its solution. | (b) Churning |
| 3. The process of obtaining butter from curd. | (c) Loading |
| 4. The process of making particles of mud heavy with alum. | (d) Filtration |
| 5. The process of separation of chaff from wheat flour. | (e)Evaporation |
Why can sugar not be separated from water by evaporation?
(Hint: Sugar will get charred if the solution is heated excessively).
Saltwater : _____ (condensation/evaporation) :: muddy water : filtration
