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States of Matter
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07/09/2021 12:30 pm
Topic starter
Which of the following assumption of kinetic molecular theory states that gases do not have fixed shape?
(a) Particles of a gas move in all possible directions in straight line.
(b) Particles of a gas are always in constant and random motion.
(c) Total energy of molecules before and after the collision remains same.
(d) None of these
1 Answer
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07/09/2021 12:32 pm
Correct answer: (b) Particles of a gas are always in constant and random motion.
Explanation:
Particles of a gas are always in constant and random motion. If the particles were at rest and occupy fixed positions, then a gas would have a fixed shape which is not observed.