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Question Practice

Which of the following describes combustion best?

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

MCQ_SA

Changes Around Us: Physical and Chemical

Which of the following describ...

Single Answer MCQ

Q-00127795

Which of the following describes combustion best?

1

A reaction that absorbs heat

2

A reaction that produces light and heat

3

A reaction that only produces gas

4

A reaction without oxygen

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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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Q3.

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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