Reversible and Irreversible Changes

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Reversible and Irreversible Changes: Overview

In this topic, we will learn about few activities that can be reversed. These are called the reversible changes. It also discusses some irreversible changes with the help of activities.

Important Questions on Reversible and Irreversible Changes

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Write the advantages of biogas over LPG gas.

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Conversion of cow dung to biogas is reversible change.

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Write the uses of biogas.

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Define what is a desirable changes with an example.

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Write the differences between reversible change and irreversible change.

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Conversion of bud to flower is an example of irreversible change.

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Explain an irreversible change with an example.

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Conversion of batter to idli is a reversible change or irreversible change? Justify tour answer.

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Conversion of batter to idli is an example of reversible change.

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Conversion of batter to idli is:

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Conversion of batter to idli is an example of irreversible change. Give a reason.

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Conversion of batter to idli is an example of_____ change.

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The grinding of wheat to flour is:

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Give other examples similar to grinding of wheat.

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The grinding of wheat grain changed its size. It is a_____ change.

 

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The grinding of the wheat grain to flour is a chemical change.

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The conversion of grain to flour is an_____ change.

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Conversion of a raw egg to boiled egg is an example of irreversible change. Suggest few more examples of irreversible change. 

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Conversion of a raw egg to boiled egg is a reversible change.

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What are irreversible changes? Give an example.