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Identify the substance oxidised and redu...

Identify the substance oxidised and reduced in the reaction :
`CuO(s) + Zn(s) to ZnO(s) + Cu(s)`.

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Zinc is oxidised to zinc oxide and copper oxide is reduced to copper.
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DINESH PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS -Very Short Answer Questions
  1. Suggest two ways to check the rancidity of food articles.

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  2. Name two metals which donot get corroded.

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  3. Identify the substance oxidised and reduced in the reaction : CuO(s)...

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  4. How will you know whether a sample of cheese has become rancid or not ...

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  5. Why are eatables preferably packed in aluminium foils ?

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  6. What happens chemically when quick lime is added to water ?

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  7. Give an example of exothermic reaction.

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  8. Give an example of endothermic reaction.

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  9. Name the gas that can be used for the storage of fresh sample of chips...

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  10. Name the type of reaction N(2)(g) + 3H(2)(g) to 2NH(3)(g)

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  11. Give an example of a double displacement reaction (only) reaction with...

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  12. In the reaction MnO(2) + 4HCl to MnCl(2) + 2H(2)O + Cl(2), identify wh...

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  13. Name two salts that are used in black and white photography.

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  14. State the chemical change that takes place when lime stone is heated

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  15. Write a balanced equation for a chemical reaction that can be characte...

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  16. Name the law which requires the balancing of chemical equation.

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

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  18. {:(X + Y SO(4) to X SO(4) + Y),(Y + X SO(4) to "No reaction"):} Of t...

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  19. Write a complete balanced chemical equation for the following reaction...

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  20. On heating copper powder in air, the surface of copper powder becomes ...

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