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What happens when :
Dilute sulphuric acid is poured on a copper plate?
When sulphuric acid is poured on copper plate the sulphuric acid reacts with copper to form copper sulphate and hydrogen. The copper plate gets eroded from place.
Sulphuric Acid + Copper →
Copper Sulphate + Hydrogen
Sodium is a very reactive metal.
Copper displaces zinc from zinc sulphate solution.
Carbon can be drawn into wires.
Some properties are listed in the following table. Distinguish between metals and non-metals on the basis of their properties.
|
Properties |
Metals |
Non-metals |
|
1. Appearance 2. Hardness 3. Malleability 4. Ductility 5. Heat Conduction 6. Conduction of Electricity |
Give reasons for the following :
Aluminium foils are used to wrap food items.
Give reasons for the following :
Immersion rods are made up of metallic substances.
Give reasons for the following :
Copper cannot displace zinc from its salt solution.
Give reasons for the following :
Sodium and Potassium are stored in kerosene?
Can you store acidic lemon pickles in an aluminium utensils? Explain.
Match the following option:
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