Question

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

Answer:

1. answer

2. metals:-

1. shiny
2. High melting points
3. good conducters of electricity
4. Good conducters of heat
5. High density
6. Malleable and ductile

Non metals :-

1. dull
2. low melting points
3. bad conducters of electricity
4. bad conducters of heat
5. low density

6. brittle

useful micro organisms :-

1. The microorganisms that help in the production of several food, items and medicines , manufacturing and research.

Harmful microorganisms:-

They cause diseases in humans , animals and plants which can even lead to death ..

* they not only damage the body but also the food we eat ..