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'Combination reaction is the reverse of ...

'Combination reaction is the reverse of decomposition reaction .'' Justify this statement with the help of appropriate chemical equation of each.

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Combination reaction : Single product is formed from two or more reactants
`CaO+H_(2)OrarrCa(OH)_(2)`
Decomposition reaction : A single reactant breakdown to give simpler products .
`CaCO_(3)oversetDeltararrCaO+CO_(2)`
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OSWAAL PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-TOPIC-2 (Types of Chemical Reactions-Corrosion and Rancidity) (SHORT ANSWER TYPE QUESTION-II)
  1. Name the term used to indicate the development of unpleasant smell and...

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  2. A solution of copper sulphate was kept in an iron pot. After few days...

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  3. Some articles made of silver, copper and iron get coloured coating ove...

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  4. Write balanced equation for the following reactions and also name the ...

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  5. Select (i) Combination reaction (ii) decomposition reaction and (iii) ...

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  6. State the kind of chemical reactions in the following examples: (i)...

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  7. Name two metals which do not correct easily . Give an example in each ...

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  8. When is a chemical reaction considered a double displacement reaction ...

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  9. Differentiate between a combination reaction and a decompositionreacti...

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  10. The following diagram displayes a chemical reaction. Observe carefull...

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  11. In the electrolysis of water: (i) Name the gas collected at the cath...

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  12. Name the salts that are used in black and white photography. Give re...

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  13. A small amount of calcium oxide is taken in a breker and water is adde...

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  14. 2 g lead nitrate powder is taken in a boiling tube . The boiling tube ...

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  15. When food containing fat or oil is not used and left for a long time, ...

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  16. Differentiate between an exothermic reaction and an endothermic reacti...

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  17. 'Combination reaction is the reverse of decomposition reaction .'' Jus...

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  18. In the following chemical reaction ''zinc oxide reacts with carbon to ...

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  19. (i) Give an example for an a combination reaction which is exothermi...

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  20. Write balanced chemical equation for the reactions that take place dur...

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