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What is an oxidation reaction (i) the su...

What is an oxidation reaction (i) the substance oxidised and (ii) the substance reduced:
ZnO+ C `to` Zn + CO

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The correct Answer is:
(i) C (ii) ZnO
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When hydrogen gas is passed over heated copper (II) oxide, copper and steam are formed. Write the balanced chemical equation for this reaction and state (i) the substance oxidized and (ii) the substance reduced in the reaction.

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(a) Example the folloeing in terms of gain or loss of oxygen with one example each : (b) When copper powder is heated strongly in air, it forms copper oxide. Write a balanced chemical equation for this reaction. Name (i) substance oxidised, and (ii) substance reduced.

(a) Define the following in terms of gain or loss of hydrogen with one example each: (i) oxidatin (ii) reduction (b) When a magnesium ribbon is heated, it burns in air to form magnesium oxide. Write a balanced chemical equation for this reactin. Name (i) substance oxidised, and (ii) substance reduced.

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LAKHMIR SINGH & MANJIT KAUR-CHEMICAL REACTIONS AND EQUATIONS -Exercise
  1. In the reaction SO(2)+2H(2)Srarr3S+2H(2)O the substance oxidised i...

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  2. Fill in the following blanks with suitable words: (a) The addition o...

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  3. What is an oxidation reaction (i) the substance oxidised and (ii) the ...

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  4. (a) What is a redox reaction ? Explain with an exampe. (b) When a ma...

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  5. (a) Difine a combination reaction. (b) Give one example of a combina...

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  6. (a) Give an example of an oxidation reaction. (b) Is oxidation an ex...

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  7. (a) What is the colour of ferrous sulphate crystals ? How does this co...

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  8. What is a decompostion reaction? Give an example of a decompostion rea...

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  9. Zinc oxide reacts whith carbon, on heating, to from zinc metal and car...

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  10. Give one example of an oxidiation-reduction reactin which is also: (...

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  11. (a) What is the difference between displacement and double displacemen...

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  12. (a) Example the folloeing in terms of gain or loss of oxygen with one ...

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  13. (a) Define the following in terms of gain or loss of hydrogen with one...

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  14. What is menal by (a) displacement reactinon, and (b) double displaceme...

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  15. (a) Why are decomposition reactions called the opposite of combination...

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  16. (a) What heppens when a piece of iron metal is placed in copper sulpha...

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  17. In the reaction epresented by the following equation: CuO(s) +H(2)(g...

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  18. What happens when silver nitrate solution is added to sodium chloride ...

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  19. What happens when silver chloride is exposed to sunlight ? Write a che...

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  20. What happens when a zinc strip is dipped into a copper sulphate soluti...

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