Q1. Physical changes can be reversible as well as irreversible . Explain with an example.
Q2. Give two characteristics that determines the occurrence of a chemical reaction .
Q3. Why lighting a cracker is a chemical change?
Q4. How rusting can be prevented by oiling?
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Change is constant’. Changes happen all around us, even within us. Most of them are irreversible but some of them are reversible changes. Yes. Let’s learn about reversible changes and irreversible changes and understand the difference between them with a lot of examples.
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