2. Describe any three synthetic fibres. Explain their uses too3. Compa

1.	2. Describe any three synthetic fibres. Explain their uses too3. Comparison of physical property orf metals and non metal4. Describe the mentrual cycle with the help of a flow chart
Answer» Answer: 2. This type of synthetic fibre is obtained from coal, water and air. Nylon is very lustrous, easy to wash and elastic. It dries quickly and retains its SHAPE. ... Nylon is also used in ropes for rock climbing, making PARACHUTES and fishing nets. 3. Considering the properties of non-metals it is not shiny, malleable or DUCTILE nor are they good conductors of electricity. ... Properties of Non-metals have less in common with each other than metals. Their physical and chemical properties vary WIDELY. Some non-metals are solids and some are gases at room temperature.

2. Describe any three synthetic fibres. Explain their uses too3. Comparison of physical property orf metals and non metal4. Describe the mentrual cycle with the help of a flow chart

Answer»

Answer:

2. This type of synthetic fibre is obtained from coal, water and air. Nylon is very lustrous, easy to wash and elastic. It dries quickly and retains its SHAPE. ... Nylon is also used in ropes for rock climbing, making PARACHUTES and fishing nets.

3. Considering the properties of non-metals it is not shiny, malleable or DUCTILE nor are they good conductors of electricity. ... Properties of Non-metals have less in common with each other than metals. Their physical and chemical properties vary WIDELY. Some non-metals are solids and some are gases at room temperature.

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