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Characteristics of a Chemical Change

Which of the ...

Question

Which of the following changes is/are an example of a chemical change?

A

Fermentation in yeast

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B

Dissolution of sugar in water

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C

Shredding a sheet of paper into bits

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D

Cooking of food

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Solution

The correct options are
A Fermentation in yeast
D Cooking of food
Fermentation in yeast is an example of a chemical change. Similarly, cooking is also a chemical change. The dissolution of sugar in water and shredding a piece of paper are examples of a physical change as no chemical reaction is involved in the processes.

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