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Q: Which among the following is used for making roof gutters, sanitary fittings, damp-proof courses of buildings etc?
  • A. Tin
  • B. Cobalt
  • C. Nickel
  • D. Lead
Correct Answer: Option D - Property of Lead–Lead is commonly extracted from its sulphite ore galena (PbS). • Lead is highly resistant to corrosion, hence it is used for making pipes carrying waste water and in chemical equipments etc. • It is also used for making roof gutters, damp proof course, as lead oxide in paints as well as for making bullets, storage cells etc.
D. Property of Lead–Lead is commonly extracted from its sulphite ore galena (PbS). • Lead is highly resistant to corrosion, hence it is used for making pipes carrying waste water and in chemical equipments etc. • It is also used for making roof gutters, damp proof course, as lead oxide in paints as well as for making bullets, storage cells etc.

Explanations:

Property of Lead–Lead is commonly extracted from its sulphite ore galena (PbS). • Lead is highly resistant to corrosion, hence it is used for making pipes carrying waste water and in chemical equipments etc. • It is also used for making roof gutters, damp proof course, as lead oxide in paints as well as for making bullets, storage cells etc.