Important questions for matter in our surroundings class 9
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2
Answer:
difference between solid, liquid, gas
Answered by
1
Explanation:
many important questions are there
like
. sublimation is an important topic
. evaporation and its cooling effect
. and the physical classification of matter
* solid
* liquid
* gas there properties
. how to convert solid to liquid to gas and gas to solid , solid to gas etc.
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