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Arrange Ca,Zn,Ba,Fe,Au,Ag and Cu in orde...

Arrange Ca,Zn,Ba,Fe,Au,Ag and Cu in order of decreasing reactivity.

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BHARATI BHAWAN (ENGLISH)-METALS AND NONMETALS -Very short answer Questions
  1. Which of the following elements is a metal ? (11)^(23)X " " (9)^(1...

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  2. What is meant by activity series of metals ?

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  3. Arrange Ca,Zn,Ba,Fe,Au,Ag and Cu in order of decreasing reactivity.

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  4. Explain why silver does not displace hydrogen from a dilute acid solu...

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  5. What is the most common property of the metals lying at the bottom of ...

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  6. An element X on reacting with oxygen forms an oxide X(2)O . This diss...

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  7. An iron knife dipped in a blue copper sulphate solution turns the blue...

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  8. Name two allotropes of sulphur.

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  9. Give the chemical name of the slag produced in the blast furnace durin...

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  10. what is an amalgam?

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  11. What happens when aluminium nitride reacts with water ?

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  12. What is obtained when graphite is heated under high pressure in the pr...

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  13. Name one alloy each of iron and aluminium.

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  14. Why is cryolite added to bauxite in the extraction of aluminium ?

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  15. What is galvanization ?

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  16. Write the molecular formula of sulphur molecule.

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  17. Name the oxide ore of aluminium.

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  18. Name the constituents of an alloy called German silver.

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  19. A given nonmetal forms sulphuric acid on reacting with nitric acid. In...

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  20. Write one constituent each of brass and bronze that is not common to b...

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