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Give an example for decomposition reacti...

Give an example for decomposition reaction.

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In a decomposition reaction a single substance decomposes to give two or more substances. Ex : `CaCO_(3(s)) overset("Heat")rarr CaO_((s))+CO_((g))`
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VGS PUBLICATION-BRILLIANT-CHEMICAL REACTIONS AND EQUATIONS-ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE
  1. What is meant by balanced equation ?

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  2. Define chemical combination and give an example.

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  3. Give an example for decomposition reaction.

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  4. What is a thermal decomposition reaction ? Give an example.

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  5. What is a photochemical reaction? Give one example.

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  6. Define displacement reaction and given an example.

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  7. Define double displacement reaction and give an example.

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  8. What is oxidation - reduction reaction or redox reaction ? Give one ex...

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  9. Why the apples, pears, bananas, etc. change their colour when they cut...

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  10. What do you mean by corrosion? How can you prevent it ?

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  11. Write the chemical equation for tranishing of silver wear (black coati...

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  12. What is Galvanizing?

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  13. What is an alloy ? Give two examples for alloys.

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  14. What type of reaction is rancidity?

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  15. Write the chemical reaction for bleaching of coloured objects using mo...

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  16. Why the white washig gives shiny finish to the walls?

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  17. Why the smell and taste of food items change?

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  18. ''Freshly cut apple turning brown, the iron articles shiny when new, b...

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  19. What are new substances formed due to decomposition of lead nitrate?

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  20. Balance the following chemical equation. C(2)H(6)+O(2)rarr CO(2)+H(2)O

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