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Chemistry : Class 9 Science MCQ Practice Questions & Answers (Hindi) - Page 4 - ObjectiveMcq

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PracticeClass 9 ScienceChemistry

Chemistry in Class 9 Science : Practice MCQ Questions & Answers with Explanations

62 practice sets · Page 4 of 4

Class 9 ScienceMediumChemistryMatter Atom

61.

What is the basic unit of matter?

A

Proton

B

Molecule

C

Atom

D

Neutron

Correct Answer:

C — Atom

Explanation:

The atom is the basic unit of matter.

Class 9 ScienceMediumChemistryMatter

62.

What is matter?

A

Anything that has mass and occupies space

B

Anything that can be touched

C

Only solids that occupy space

D

Only gases with mass

Correct Answer:

A — Anything that has mass and occupies space

Explanation:

Matter is anything that has mass and occupies space.

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