Question

Q-2 Explain the difference on the basis of properties (9)

(1) Thermosetting plastics and thermoplastics.

(2) Physical properties of metals and non metal physical properties.

(3) Useful micro organisms and harmful micro organisms.​

Answer 1

In diamond, strong three-dimensional networks are formed due to the presence of covalent bonds. Graphites are formed due to the weak van der Waals force of attraction.

Hard in nature Soft in nature.

Since molecules are closely packed they have high density. Because of the large gap between the molecules, they have low density.

Since there is no free carbon atom, the diamond does not conduct electricity. Because of the presence of free carbon atom in graphite they can conduct electricity.

Answer 2

Answer:

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