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Give reason : Carbonate and Sulphide ore...

Give reason : Carbonate and Sulphide ores are usually converted into oxides during the process of extraction.

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Carbonate and Sulphide ores are usually converted into oxides during the process of extraction because metals can be easily extracted rather than from their carbonate and sulphides.
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Give reasons a. Platinum, gold and silver are used to make jewellery. b. Carbonate and sulphide ores are usually converted into oxides during the process of extraction. c. School bells are made up of metals.

Give reasons: a. Platinum, gold, and silver are used to make jewellery. b. Sodium, potassium, and lithium ar stored under oil. c. Aluminilum is a higly reactive metal, yet it is used to make utensils for cooking. d. Carbonate and sulphate ores are usually converted into oxides during metal extraction.

Why should the metal sulphides and carbonated ores be converted to metal oxides in the process of extraction of the metal from them?

Zinc is the metal which lies in the middle of the activity series. This metal is extracted from its sulphide ore. Outline the steps involved in the process of extraction of zinc metal with the help of balanced chemical equation for each step.

State reasons for the following: Sulphide ore of a metal is first converted to its oxide to extract the metal from it.

Give Reason: a. Prior to reduction of the metal, sulphides and metal carbonates must be converted into metal oxides. b. for extracting some metals, displacement reactions are used instead of carbon to obtain metals from their oxides.

Give an example for sulphide ore of coper.

CPC CAMBRIDGE PUBLICATION-METALS AND NON-METALS-EXERCISE
  1. Which of the following pasirs give displacement reactions? (i) NaCl ...

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  2. Which of the following method is suitable preventing an iron fr...

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  3. An element reacts with oxygen to give a compound with high melting poi...

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  4. Food cans are coated with tin and not with zinc because

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  5. Your are given harmmer, a battery , a bulb, wires, and a switch. a. ...

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  6. Your are given harmmer, a battery , a bulb, wires, and a switch. a. ...

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  7. What are amphoteric oxides ? Give examples.

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  8. Name two metals which will displace hydrogen from dilute acids, and tw...

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  9. In the electrolyte refining of a meal M, what would take the anode, th...

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  10. Pratyush took sulphur powders on a spatula and heated it. He collected...

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  11. State two ways to prevent the rusting of iron.

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  12. What type of oxides are formed when non-metals combine with oxygen ?

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  13. Give reasons: a. Platinum, gold, and silver are used to make jewelle...

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  14. Give reason: Sodium, potassium and lithium are stored under oil.

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  15. Give reasons: a. Platinum, gold, and silver are used to make jewelle...

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  16. Give reason : Carbonate and Sulphide ores are usually converted into o...

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  17. You must have been seen tarnished copper vessels being cleaned with le...

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  18. Differentiate between metal and non-metal on the basis of chemical pro...

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  19. A man went door to door posing 2s a goldsmith he promised to bring bac...

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  20. Give reasons why is copper used to make hot water tanks and not steel ...

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