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What are alloys?...

What are alloys?

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MBD-METALS AND NON METALS-EXAMPLE
  1. Metallic oxides of zinc, magnesium and copper were heated with the fol...

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  2. Which metals do not corrode easily?

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  3. What are alloys?

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  4. Which of the following pairs will give displacement reactions:

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  5. Which of the following methods is suitable for preventing an iron fryi...

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  6. An element reacts with oxygen to give a compound with a high melting p...

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  7. Food cans are coated with tin and not with zinc because:

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  8. You are given a hammer, a battery, a bulb ,wires and a switch How coul...

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  9. You are given a hammer, a battery, a bulb ,wires and a switch. Assess...

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  10. What are amphoteric oxides? give two examples of amphoteric oxides?

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

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  12. In the electrolytic refining a metal M what would you take as the anod...

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  13. Pratyush took sulphur powder on a spatula and heated it. he collected ...

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  14. Pratyush took sulphur powder on a spatula and heated it. he collected ...

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  15. State two ways to prevent the rusting of iron

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

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  17. Give reasons:Platinum,gold and silver are used to make jewellery

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  18. Give reasons: sodium,potassium and lithium are stored under oil.

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  19. Give reasons: aluminium is highly reactive metal, yet it is used to ma...

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  20. Give reasons: Carbonate and suphide ores are usually converted into ox...

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