Question

list and explain four properties of plastics give one use of plastics linked to each of these properties

Answer 1

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four properties of plastics are:

1.) plastics are poor conductors of heat and electricity

2.) plastics are non reactive metals they are not attacked by chemicals

3.) plastics are lightweight strong and durable

4.) plastics can be moulded and dyed easily in many colours like orange, pink ,sky blue , red, green, and e.t.c

the four uses of plastics are:
1.) bakelite is used to make electric switches insulating casings and handle of cookware and tools

2.) melamine is heat resistant and is used to make kitchenware , floor tiles and special suits for firefighters

3.) Teflon is used as a non stick coating on cookware as both water and oil do not stick to it

4.) many plastics are waterproof and therefore
they are used to make Water bottles and waterproof containers





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Answer 2

Answer:The four properties of plastics are:

1) Plastics are poor conductors of heat and electricity. That is why they are used to make handles of cooking utensils and electrical wires. Cords of electrical appliances and cables also have plastic coating.

2) Plastics are insoluble in water and that is why we use plastic buckets to store water and use plastic glasses to drink water.

3) Plastics are inert to air and water. They are non-corrosive and therefore plastic bottles are used in chemical laboratories to store chemicals.

4) Plastics easily melt on heating and therefore they can be moulded into different shapes. Hence, they are used to make things such as toys, buckets etc.

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