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Materials : Metals And Non-Metals

Question
CBSEENSC8004853
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Write any three physical characteristics of metals.

Solution

(i) Metals can be hammered to make sheets so they are malleable.

(ii) Metals can be drawned into very thin wires, that means metals are ductile.

(iii) Metals are good conductors of heat and electricity.

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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