Question

8. Interconversion of matter involves change of matter from one state to another and back to its original state. It is affected by changes in conditions such as.
1) only temperature
2) only pressure
3) both temperature & pressure
4) neither pressure nor temperature

9. Why do you think liquid flow?
1) particles are less compact and are free to move within the liquid
2) particles are more compact and are free to move within the liquid
3) particles show minimum compactness and are free to move in any direction
4) particles show maximum compactness and are not free to move.

10. Sugar and salt when poured in different jars take the shape of the jar. Wha is the physical state of sugar & salt?
1) Solid
2) Liquid
3) Gas
4) None of the above

11. The three forms of matter differ from one another in
1) Molecular arrangement.
2) Shape
3) Molecular arrangement and shape. 4) Neither molecular arrangement nor shape.

12. Which of the following properties does a gas possess that is filled in cylinders
1) Rigidity
2) Fluidity
3) Compressibility
4) Continuity

13. Which of the following statement(s) is/are true?
1) Solids have weight and hence have mass.
2) Liquids have weight and hence have mass.
3) Gases have weight and hence have mass.
4) Solids, liquids and gases have mass but no weight. ​

Answer 1

Answer:

8 = only temperature

9 = not defined