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Define chemical combination and give an ...

Define chemical combination and give an example.

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A reaction in which single product is formed from two or more reactants is known as chemical combination reaction. E.g. : `2Mg_((s))+O_(2(g))rarr 2MgO_((s))`
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VGS PUBLICATION-BRILLIANT-CHEMICAL REACTIONS AND EQUATIONS-ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE
  1. What are the reactants and products in a chemical reaction?

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  2. What is meant by balanced equation ?

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  3. Define chemical combination and give an example.

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  4. Give an example for decomposition reaction.

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

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

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  7. Define displacement reaction and given an example.

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  8. Define double displacement reaction and give an example.

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

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

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

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

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  13. What is Galvanizing?

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

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  15. What type of reaction is rancidity?

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

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

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

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

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

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