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What is meant by thermal decomposition r...

What is meant by thermal decomposition reaction ? Explain with an example.

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A chemical reaction in which a substance decomposes upon heating to form new substances, is known as the thermal decomposition reaction. For example,
`CaCO_(3)(s) overset("heat")to CaO(s) + CO_(2)(g)`
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DINESH PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS -Very Short Answer Questions
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  2. Name the law which requires the balancing of chemical equation.

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  14. Give one example each of (i) change in state (ii) evolution of a gas.

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  16. Name two metals which donot get corroded.

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  17. What is double displacement reaction ? Give one example.

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