Chemistry
Grade-6
Easy
Question
Which of the following entities define the changing of its physical state of matter?
- Temperature
- Pressure
- Both a and b
- Force
Hint:
Physical state change means there is no involvement of chemical reactions.
The correct answer is: Both a and b
- States of matter are interconvertible.
- Solid, liquid, and gas changes from one state to another under applied temperature and pressure.
- Gases change to liquid under applied desired pressure.
- Liquid when heated under certain range of temperature it changes to gas.
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