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Corrosion is a serious problem. Every ye...

Corrosion is a serious problem. Every year an enormous amount of money is spend to replace damaged iron. What steps can be taken to prevent this damage ?

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The rusting of iron can be prevented by painting, oiling, greasing, galvanizing, chrome plating anodizing or making alloys.
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OSWAAL PUBLICATION-METALS AND NON-METALS-TOPIC - 2 Short Answer Type Questions - I
  1. What are ionic compounds ? List two properties of these compounds.

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  2. Draw the diagram of an electrolytic cell used in the purification of c...

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  3. Why do ionic compounds have high melting points ? State reason.

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  4. Define amphoteric oxides. Give two examples of such oxides.

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  5. Explain the steps for extraction of copper from its sulphide ore. Writ...

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  6. Define ionic compounds. Ionic compounds conduct electricity only in th...

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  7. Differentiate roasting and calcination process giving one example of e...

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  8. Write symbols of cation and anion present in MgO. Why do ionic compoun...

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  9. Name a metal/non-metal : (i) Which makes iron hard and strong ? (i...

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  10. A metal 'M' is found in nature as its carbonate. It is used in the gal...

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  11. Name one metal each which is extracted by : (i) Reduction with carbo...

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  12. Describe briefly the method to obtain mercury from Cinnabar. Write the...

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  13. An aluminium can is used to store ferrous sulphate solution. It is obs...

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  14. Write chemical equations that show aluminium oxide reacts with acid as...

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  15. What are the constituents of solder alloy ? Which property of solder m...

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  16. Corrosion is a serious problem. Every year an enormous amount of money...

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  17. A metallic ore 'X' reacts with dilute HCl to liberate a gas which turn...

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