Understanding Plastics

The video tutorial explores the significance of plastics in daily life, detailing their properties, types, and uses. It distinguishes between thermoplastics and thermosetting plastics, highlighting their applications in various industries. The environmental impact of plastics, including their non-biodegradable nature and pollution issues, is discussed. The tutorial concludes with strategies for reducing plastic waste through recycling and adopting sustainable practices.

What materials have plastics replaced due to their prominence in our lives?

• Aluminium, iron, steel, and glass

• Wood and stone

• Copper and brass

• Gold and silver

What is the primary source for the synthesis of plastics?

• Water and air

• Petroleum and natural gas

• Sand and clay

• Coal and wood

Which type of plastic can be reshaped upon heating?

• Thermosetting plastics

• Bioplastics

• Elastomers

• Thermoplastics

Which of the following is an example of a thermosetting plastic?

• Bakelite

• Polystyrene

• Polythene

• Polyvinyl chloride

Why are plastics extensively used in the healthcare industry?

• They are biodegradable

• They are lightweight and strong

• They are edible

• They are expensive

What is the environmental impact of plastics being non-biodegradable?

• They are absorbed by plants

• They decompose quickly

• They enrich the soil

• They release toxic chemicals into the soil and water

What happens when plastics are burned?

• They become edible

• They turn into water

• They release toxic fumes

• They release oxygen

What is one of the major problems caused by plastic waste in urban areas?

• Improved air quality

• Choking of drains leading to flooding

• Increased plant growth

• Enhanced wildlife habitats

Which of the following is NOT part of the 4Rs strategy to mitigate plastic pollution?

• Reduce

• Reuse

• Recreate

• Recycle

What is a recommended alternative to plastic shopping bags?

• Plastic bags

• Glass bags

• Jute or handmade paper bags

• Metal bags