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CBSE
Class 9
Science
Exploration
Atomic Foundations of Matter
Question Bank

What does the Law of Conservat...

Single Answer MCQ
Q-00172134

What does the Law of Conservation of Mass state?

1

Mass can be created during a chemical reaction.

2

Mass is lost during a chemical reaction.

3

Mass is neither created nor destroyed in a chemical reaction.

4

Mass is only conserved in physical changes.

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What does the Law of Constant Proportions state?

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Which of the following is an example of the Law of Constant Proportions?

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What is the mass ratio of hydrogen to oxygen in water according to the Law of Constant Proportions?

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Q4.

During a chemical reaction, which of the following remains constant according to the Law of Conservation of Mass?

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