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Materials : Metals And Non-Metals

Question
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A solution of copper sulphate was kept in an iron pot. After a few days, the iron pot was found to have a number of holes on it. Write the reaction that took place. Explain this reaction.

Solution

Iron metal being more reactive than copper, displaces copper from copper sulphate solution to form Iron sulphate solution and copper metal.

Copper Sulphate Solution + Iron →

Iron Sulphate Solution + Copper

Holes are formed at those places in the iron pot from where iron metal has dissolved to form iron sulphate solution.

Some More Questions From Materials : Metals And Non-Metals Chapter

Metals are _______ conductor of heat and ________.

Iron is ________ reactive than copper.

Metals react with acids to produce ________ gas.

Generally, non-metals react with acids.

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.

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