Question

1.Write the general properties of plastic.

science class 8​

Answer 1

Answer:

Plastic is chemically unreactive:Plastics do not react with air and water. ...

Plastics are poor conductor of heat and electricity:They do not conduct heat or electricity,so they be used as insulators. ...

Plastics can be moulded into different shapes. ...

Plastics are quite cheaper and easily made.

Answer 2

Answer:

plastics are very light weight and useful in our daily lyf

u know that in todays lyf it become tough to carry a lot heavy load , so as per one side of the coin plastic is useful ..as per another side it us very harmful..

Explanation:

plastics are very light weight and useful in our daily lyf

u know that in todays lyf it become tough to carry a lot heavy load , so as per one side of the coin plastic is useful ,it has both advantages and disadvantages..

ADVANTAGES:

1, Plastic is light in weight

2,plastic is easily carriable..

3, plastic is non reactive of electricity and very durable

4, it can be used for make toys for kids

5, it is a man made thing..

DISADVANTAGES:

1. Plastic is very harmful to animals and plants

2. it do react with heat and releases harmful toxins.

3. if animals taken it there may a lot of chances to die

4. it do not degrade in the earth and makes d soil underlie

Thank you..