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CA

Question Practice

Why is the rusting of iron considered an undesirable change?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA

Changes Around Us: Physical and Chemical

Why is the rusting of iron con...

Single Answer MCQ

Q-00127849

Why is the rusting of iron considered an undesirable change?

1

It strengthens the iron.

2

It improves its color.

3

It weakens the material.

4

It is a natural process.

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Which of the following is a physical change?

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What happens when air is blown into lime water?

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Which process shows that a substance can change its appearance?

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Q4.

When ice melts, what type of change occurs?

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