Question

Observation Table-2
Hardness
Malleability Ductility Conduction
S.
No.
Material
Element
Type of
surface
Inference
Metal or
Non-metal
1.
cica
Iron
Copper
Aluminium
Magnesium
Coal
Sulphur
5.
6.​

Answer 1

Answer:

1. Iron- Smooth, Hard, Malleable, Ductile, Conductor of both heat and electricity.

2. Copper- Smooth, Hard, Malleable, Ductile, Conductor of electricity and heat.

3. Aluminum- Smooth, Soft, Malleable, Ductile, Conductor of heat and electricity.

4. Magnesium- Smooth, Soft, Malleable, Ductile, Conductor of heat and electricity.

5. Coal- Rough, Soft, Not malleable, Not ductile, Bad conductor of electricity and heat.

6. Sulphur-Rough, Soft, Not malleable, Not ductile, Bad conductor of electricity and heat.

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