Page 3 - Home Assignment

Q7 Give two examples of thermosetting plastics. 1

Q8 What do you understand by thermoplastics? 1

Q9 Give two examples of thermoplastics. 1

Q10 How the basic unit of plastics are arranged in both the types of plastics? 1

Concept – Useful properties of Plastics

Q1. Why do we prefer to use plastic containers instead of metal containers? 1

Q2 Why handles of cooking utensils are made up of plastic? 1

Q3 State one property of plastic that makes it very suitable to use. 1

Q4 Why the handles of screwdriver are made up of plastic? 1

Q5 Write some of the uses of plastics in the healthcare industry. 1

Concept – Plastic and the Environment

Q1. What do you understand by biodegradable materials? 1

Q2 What do you understand by non-biodegradable materials? 1

Q3 Give two examples of biodegradable and non-biodegradable materials. 1

Q4 How plastics can be harmful to cattle? 1

Q5 How can we save our environment from the harmful impact of plastics? 1

Q6 What do you mean when it is told that plastics should be recycled? 1

Q7 State one disadvantage of disposing of plastics by burning. 1

Q8 Why plastics cannot be thrown carelessly on the road? 1

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