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Which one of the following is not true o...

Which one of the following is not true of metals

A

Metals are good conductors of electricity.

B

Metals are malleable and ductile.

C

Metals form non-polar covalent compounds.

D

Metal will have 1, 2 or 3 electrons in their valence shell.

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ICSE-METALLURGY-QUESTIONS FROM PREVIOUS ICSE BOARD PAPERS
  1. The sketch below illustrates the refining of aluminium by Hoope's proc...

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  2. State the property of the metal being utilised in the following:

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  3. Which one of the following is not true of metals

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  4. Give the equations for the following conversions A to E

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  5. Name the main constituent metal in the following alloy : Duralumin

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  6. Name the main constituent metal in the following alloys : Brass

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  7. Name the main constituent metal in the following alloys : Stainless...

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  8. Choose from the following list of substances, as to what matches the d...

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  9. What would you observe in each of the following cases? When carbon m...

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  10. This metal is a liquid at room temperature.

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  11. Name a metal which is found abundantly in the earth's crust.

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  12. What is the difference between calcination and roasting?

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  13. Name the process used for the enrichment of sulphide ore.

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  14. Write the chemical formulae of one main ore of iron and aluminium .

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  15. Write the constituents of electrolyte for the extraction of aluminium.

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  16. Which of the following metallic oxides cannot be reduced by normal red...

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  17. Give reason for the following: Iron is rendered passive with fuming ni...

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  18. Match the properties and uses of alloys in List 1 with the appropriate...

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  19. Name the following metals : A metal present in cryolite other than ...

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  20. Name the following metals : A metal which is unaffected by dilute o...

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