Identification of Plastics

Q. is a thermosetting plastic used to make electric switches as well as handles of cooking utensils.

1. Bakelite
2. Melamine
3. PVC

Q. Shown below is a recycling code that is present in a soft drink bottle. Identify the type of plastic with which the bottle is made.

1. PET
2. PVC
3. HDPE
4. LDPE

Q. Plastics that can be melted on heating and remoulded easily are known as .

1. thermoplastics
2. thermosets
3. bakelite

Q. Identify the biodegradable substances.

1. Fruit peel
2. Glass bottle
3. Plastic bowl
4. Newspaper
5. Woolen shawl
6. Iron rod
7. Cotton shirt
8. Wooden door

Q. Select the properties of plastics.

1. Non-reactive
2. Expensive
3. Light weight
4. Insulator
5. Strong
6. Eco-friendly
7. Durable
8. Inflammable

Q. Which of the following plastic is used to make the pipes used in water supply? Also, identify the type of plastic.

1. Plastic:- Polystyrene
   Type of plastic:- Thermoplastic
2. Plastic:- Melamine
   Type of plastic:-Thermosetting
3. Plastic:- Polyvinyl chloride
   Type of plastic:-Thermoplastic
4. Plastic:- Bakelite
   Type of plastic:- Thermosetting

Q. Identify the wrongly matched pair of plastic with its corresponding recycling code.

1. HDPE - Code 2
2. PVC - Code 3
3. PET - Code 1
4. PS - Code 4

Q. The plastic that is used to make pipes is popularly known as PVC. What does PVC stand for?

1. Phosphovinyl chloride
2. Polyvanadium chloride
3. Phosphovanadium chloride
4. Polyvinyl chloride

Q. Which amongst the following can be remoulded by heating it?

1. Rayon
2. PVC
3. Nylon
4. Melamine

Q. Plastics do not get decomposed by natural processes, hence, they are known as .

1. biodegradable
2. non-biodegradable
3. eco-friendly