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CBSE
Class 9
Science
Exploration
Atomic Foundations of Matter
Question Bank

Which of the following best de...

Single Answer MCQ
Q-00172147

Which of the following best describes a 'closed system' in terms of mass conservation?

1

Mass can escape the system.

2

Mass is contained with no exchange with surroundings.

3

Mass is created within the system.

4

Mass is lost during reactions.

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What does the Law of Conservation of Mass state?

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