Question

WORKSHEET
YPE I: OBJECTIVE TYPE QUESTIONS
Write True' or 'False' for the following statements.
1. The method of evaporation is used to obtain a solid substance tha
2. Solid iodine undergoes sublimation upon heating.
3. Element is an impure substance.
1. All the metals are pure substances.
5. Chromatography is based on the principle of difference in adsorpt
6. Mixtures may be homogeneous or heterogeneous.
7. All compounds are molecules but all molecules are not compound
8. Crude oil is separated into their constituents by distillation.
9. The use of separating funnel is in the separation of the mixtures of
10. Alcohol and water can be separated by fractional distillation.
11. In a mixture, no chemical reaction takes place.
12. Soluble solid substances can be easily separated from their solver
13. Mixtures of coloured substances can be separated by paper chro
14. The process of evaporation is used when one of the components
lighter than water.
Choose a word from the box to complete each sentence,
vapour
adsorption
physical
separating​

Answer 1

Answer:

1F

2T

3T

4t

5t

6t

7f

8t

9t

10.t

11F

12t

13t

14t

Answer 2

Answer:

hiiiiiiiiiiiiiiiiiiiiiiiii thanls for your free points