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Reversible Changes : Class 9 Science MCQ Practice Questions & Answers (Marathi) - ObjectiveMcq

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HomePracticeClass 9 ScienceChemistryPhysical And Chemical ChangesReversible Changes

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

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Class 9 ScienceMediumChemistry Physical And Chemical ChangesReversible Changes

1.

Which of the following changes is reversible?

A

Melting of wax

B

Burning of paper

C

Rusting of iron

D

Cooking of food

View Answer

Correct Answer: A — Melting of wax

Explanation:

Melted wax solidifies again on cooling, making the change reversible.