Question

B. FILL IN THE BLANKS :

1. A pure substance has ________melting and boiling points.
2. Mist is a mixture of ________in air.
3. Smog is a mixture of smoke and ________ 4. The constituents of impure substance may be in _________ratio.
5. Constituents of a _______ can be separated out by physical means.
6. lodine can be separated from a mixture of iodine and common salt by the process of________
7. __________is used to separate husk from grains.
8. Tea leaves can be separated from its solution by ______
9. When two solids components differ in their sizes, they can be separated by the process of _______
10. A pure substance has only one kind of ________​

Answer 1

Answer:

1. sharp

2. water

3. pollutants

4. any

5. mixture

6. sublimation

7. winnowing

8. straining

9. hand picking

10. particles

Answer 2

Answer:

1. Fixed

2.heterogeneous

3.sulphur dioxide

4.fixed

5.Enatimores

6.sublimation

7.threshing

8.filtration

9.

10.element