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In the following reaction between lead s...

In the following reaction between lead sulphide and hydrogen peroxide:
`PbS(s)+4H_(2)O_(2)(aq)toPbSO_(4)(s)+4H_(2)O(l)`
(a) Which substance is reduced ?
(b) Which substance is oxidised ?

Text Solution

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The correct Answer is:
(a) `H_(2)O_(2)` (b) PbS
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LAKHMIR SINGH & MANJIT KAUR-CHEMICAL REACTIONS AND EQUATIONS -Exercise
  1. Which of the following is a combination and which is a displacement re...

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  2. What type of reactions are represented by the following equations? (...

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  3. In the following reaction between lead sulphide and hydrogen peroxide:...

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  4. Identify the substances that are oxidised and the substances that are ...

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  5. In the reaction SO(2)+2H(2)Srarr3S+2H(2)O the substance oxidised i...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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