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Reaction between X and Y forms compound ...

Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z?

A

Has high melting poin

B

Has low melting point

C

Condutcs electricity in molten state

D

Occurs as solid

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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
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  4. Although metals from basic oxides, which of the following metals form ...

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  5. Which of the following non-metals is a liquid?

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  9. Which of the following is the sulphide ore of copper?

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  10. True/false Gold dissolves in aqua regia.

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  11. T/F Rust is Fe2O3. xH2O

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  12. Sulphide ores are concentrated by froth floatation process.

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  13. True/false the alloy invar contains iron and aluminium.

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  14. Can copper displace iron from iron sulphate solution? Give reasons.

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  15. The rockey material found with ores is known as…………….

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  16. Fill ups Most oxides of metal are………………in nature.

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  17. Fill ups the percentage of gold in 22 carat gold is………….. .

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  18. Fill ups In galvanisation iron is protected by the coating of………….. .

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  19. In the electrorefining of copper,some gold is deposited as:

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