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What are the uses of melamine?

Melamine is a chemical compound that has a number of industrial uses, including the production of laminates, glues, dinnerware, adhesives, molding compounds, coatings and flame retardants. Melamine is a name used both for the chemical and for the plastic made from it.

Why are switches made of plastic?

electric plugs and switches are made of plastics because they are more safer than other materials like iron,copper etc which conduct electricity which is very dangerous while switching plugs so switches and plugs are made of plastics .

What are synthetic Fibres also called?

(a) Synthetic fibres are also called artificial or manmade fibres.

Which Fibre is used as artificial wool?


WHY?? The wool obtained from natural sources is quite expensive ,whereas clothes made from acrylic are relatively cheap. … Though they couldn’t absorb moist and sweat ,they are of good quality for fashionable clothes. They are more durable and affordable which makes them more popular than natural fibres.

What are two types of Fibres?

There are 2 different types of fiber — soluble and insoluble. Both are important for health, digestion, and preventing diseases. Soluble fiber attracts water and turns to gel during digestion.

Did it smell like burning of artificial silk or that of pure silk Can you explain why?

Answer. Answer: An artificial silk give a smell of burning paper whereas,Pure silk and wool is made up from juices of protein. And wool is obtained from animals hair so it gives a smell of burning hair.

Why ship have a thick coat of hair on their body?

they have thick coat of hair on their body to protect themselves against the cold climatic condition. They do so by trapping the heat in their coat which helps in keeping them warm .

What is scouring 7th?

Scouring is done to remove grease, dust and dirt from the raw sheared wool. In the process of scouring, fleece is washed with detergents and alkalis in special tanks to get rid of the grease, dust and dirt. After scouring, fleece of different textures are separated. These days, scouring is done by machines.

Which is the smoothest and finest Fibre?


What part is the black sheep?

Solution 1: (a) The skin of the black sheep has fur like hairs mainly at the back and abdomen, known as wool. (b) White hairs of a lamb are also known as white fleece.

What is the food of silkworm?

Silkworms eat only mulberry leaves. The entire process can be controlled by keeping the worms in a controlled environment; protecting them from ants, mice, and disease; and feeding them mulberry leaves.