Question

7. A change in the physical state of any matter can be caused by either of the following:
(i) By changing temperature (ii) By changing pressure (iii) By changing both temperature and pressure
Give one example of each.​

Answer 1

Answer:

Explanation:

1) Ice under high temperature changes to liquid

2)LPG gas under high pressure changes to liquid

3)Ice under high temp changes to liquid and under low temp(high pressure) changes to ice again

Answer 2

Answer: By changing both temperature and pressure

Explanation:

example we can change the state of Water by decreasing temp. and gas like nitrogen into liquid nitrogen by pressure