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- Which of the following pairs will give displacement reactions?
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- You are given a hammer, a battery, a bulb, wires and a switch. (a) H...
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- What are amphoteric oxides? Give two examples of amphoteric oxides.
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- Name two metals which will displace hydrogen from dilute acids, and tw...
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- In the electrolytic refining of a metal M, what would you take as the ...
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- Pratyush took sulphur powder on a spatula and heated it. He collected ...
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- Pratyush took sulphur powder on a spatula and heated it. He collected ...
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- Pratyush took sulphur powder on a spatula and heated it. He collected ...
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- State two ways to prevent the rusting of iron.
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- What type of oxides is formed when non-metals combine with oxygen?
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- Gold, platinum and silver are used to make jewellery. Give reasons.
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- Give reason: Sodium, potassium and lithium are stored under oil
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- Give reason: Aluminium is a highly reactive metal, yet it is used to...
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- give reason for the following: Carbonate and sulphide ores are usual...
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- You must have seen tarnished copper vessels being cleaned with lemon o...
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- Differentiate between metal and non-metal on the basis of their chemic...
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