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PSEB-METALS AND NON-METALS-EXERCISE
- An element reacts with oxygen to give a compound with a high melting p...
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- Food cans are coated with tin and not with zinc because:
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- You are given a hammer, a battery, a bulb ,wires and a switch How coul...
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- You are given a hammer, a battery, a bulb ,wires and a switch How coul...
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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 a metal M what would you take as the anod...
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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 are formed when non-metals combine with oxygen?
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- Give reasons:Platinum,gold and silver are used to make jewellery
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- Give reasons: sodium,potassium and lithium are stored under oil.
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- Give reasons: aluminium is highly reactive metal, yet it is used to ma...
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- Give reasons: Carbonate and suphide ores are usually converted into ox...
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- You must have seen trainshed copper vessels being cleaned with lemon o...
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- Differentiate between metals and non-metals on the basis of their chem...
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- A man went door to door posing as a goldmith he promised to bring back...
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- Give the reason why copper is used to make hot water tanks but steel (...
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