Decantation

Q.

Question 9 (d)

True or false?
Grain and husk can be separated with the process of decantation.

Q.

A white precipitate of silver chloride formed by mixing solutions of silver nitrate and sodium chloride can be separated by decantation.

1. True
2. False

Q.

Question 13

State whether the following statements are true or false.

(a) A mixture of oil and water can be separated by filtration.
(b) Water can be separated from salt by evaporation.
(c) A mixture of wheat grains and wheat flour can be separated by sieving.
(d) A mixture of iron filings and rice flour can be separated by magnet.
(e) A mixture of wheat grains and rice flakes can be separated by winnowing.
(f) A mixture of tea leaves and milk can be separated by decantation.

Q. Water in a container is mixed with dust, sand, and oil. How can we get the water back?

Q.

Karan took a beaker and mixed ink and water in it. Will he be able to separate ink and water using decantation process? Explain it. When can we use decantation?

Q. Give one word answer for the following :​
The process of transferring the clean liquid after the solid settles at the bottom of the container………....​

Q.

A mixture of ${\mathrm{SO}}_2$, ${\mathrm{H}}_2$ and ${\mathrm{Cl}}_2$ can be separated by________ followed by _________.

Q.

Question 5

How will you separate sand and water from their mixture?

Q. The process in which water is removed along with the impurity is known as___________.

1. sedimentation
2. decantation
3. crystallisation
4. chromatography

Q.

2. Which method you will use to separate:

(b) Salt from water and mud.

Q.

Oil can be separated from water by:

1. filtration

2. sedimentation

3. decantation

4. threshing

Q. Decantation is the process used to separate two miscible liquids.

1. True.
2. False.

Q. Separation of kerosene oil and water is done by ___

Q. Which method can be used to separate petrol and water from their mixture?

1. Decantation
2. Evaporation
3. Condensation
4. Sieving

Q.

The removal of dust particle from rice is done by ______ .

1. Sedimentation

2. Decantation

3. Threshing

4. Sieving