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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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Oxidation involves the addition of oxygen or the removal of hydrogen in a chemical reaction. In the given reaction, carbon is oxidised to carbon monoxide while zinc oxide is reduced to zinc.
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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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DINESH PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS -Short Answer Questions
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  12. Why do we store silver chloride in dark coloured bottles?

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  14. A solution of potassium chloride when mixed with silver nitrate soluti...

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  15. A White salt upon heating decomposes to give brown fumes and a residue...

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  16. Name the type of chemical reaction represented by the following equati...

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  17. A small amount of ferrous sulphate was heated in a hard glass test tub...

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  18. What is redox reaction ? Identify the substance oxidised and the subst...

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  19. (a) Can combination reaction be an oxidation reaction ? (b) How wil...

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