PET is the acronym for ______.
- APolyester
- BPolyester and terylene
- ✓Polyethylene terephthalate
- DPolyetheneterylene
Answer: C.
View full solution →Question types
T3 CH3 Polymer Chemistry question types
101 questions across 9 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
101
Questions
9
Question groups
5
Question types
01
MCQ
17 Q→02Fill in the blanks.
21 Q→03Assertion & Reason
3 Q→04TRUE & FALSE
16 Q→05Answer In One word.
17 Q→06[ 2 Marks Questions ]
16 Q→07Match The Following
4 Q→08[3 Marks Question]
5 Q→09[4 Marks Question]
2 Q→Sample Questions
T3 CH3 Polymer Chemistry questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
______ is a non-biodegradable material
- APaper
- BA plastic bottle
- CCotton cloth
- ✓Wool
Answer: D.
View full solution →A good application of plastic is the use of ______
- ✓Blood bags
- BPlastic cutlery
- CPlastic straws
- DPlastic carry bag
Answer: A.
View full solution →A synthetic fibre which has similar properties to wool is______.
- ANylon
- BPolyester
- ✓Acrylic
- DPVC
Answer: C.
View full solution →When you place a natural fibre in a flame it ______.
- Amelts
- ✓burns
- Cgets nothing
- Dexplodes
Answer: B.
View full solution →Nylon: melts on heating: Silk: ______.
PLA spoon: compostable: Plastic spoon: ______
Cotton: natural : Polyester: ______.
A natural fibre obtained by boiling cocoons is called ______.
A natural fibre is called ______.
Assertion and Reason
A: It is good to avoid plastics.
R: Plastics end up polluting the environment.
A: It is good to avoid plastics.
R: Plastics end up polluting the environment.
- ✓Both A and R are true and R is the correct explanation of A.
- BBoth A and R are true but R is not the correct explanation of A.
- CA is true but R is false.
- DA is false but R is true.
Answer: A.
View full solution →Assertion and Reason
A: It takes a very long time for nylon clothes to breakdown into microfibers but cotton clothes need only six months to decompose.
R: Nylon made out of petrochemicals is non-biodegradable and cotton cloth is biodegradable.
A: It takes a very long time for nylon clothes to breakdown into microfibers but cotton clothes need only six months to decompose.
R: Nylon made out of petrochemicals is non-biodegradable and cotton cloth is biodegradable.
- ✓Both A and R are true and R is the correct explanation of A.
- BBoth A and R are true but R is not the correct explanation of A.
- CA is true but R is false.
- DA is false but R is true.
Answer: A.
View full solution →Assertion and Reason
A: Vegetable peels buried in the soil disappear within two weeks.
R: Vegetable peels are compostable.
A: Vegetable peels buried in the soil disappear within two weeks.
R: Vegetable peels are compostable.
- ✓Both A and R are true and R is the correct explanation of A.
- BBoth A and R are true but R is not the correct explanation of A.
- CA is true but R is false.
- DA is false but R is true.
Answer: A.
View full solution →Cotton is a natural polymer.
Degradable plastics break down into tiny pieces called microplastics.
It is good to wear clothes made of synthetic fibres while cooking.
Refuse (avoid) is the best way to manage plastic.
A lot of plastic pollutes our environment.
A plastic bag dumped in the soil stays without breaking down for 500 years. If a new generation starts in every 30 years, how many generations would it take to see the plastic bag finally broken down?
HOTS
The Tamil Nadu Government has banned the use of one-time use throwaway plastics. Why do you think this is important?
The Tamil Nadu Government has banned the use of one-time use throwaway plastics. Why do you think this is important?
What is the 5 R principle?
Give two examples of thermosetting plastics.
It is not advisable to burn plastic and synthetic fabrics. Why?
Look at the following picture and explain what is happening.
What kind of fabric is suitable to dress-up and play in the summer?
What does the term biodegradable mean?
Why is it better to avoid the use of plastic products?
Ramya loves to were the clothes made up of synthetic fibres. When she was working in kitchen, her mother advised her not to wear the synthetic clothes.
- Why Ramya’s mother advised her not to wear synthetic clothes while working in kitchen?
- Why Ramya loves to wear synthetic dress?
Arrange in Correct Sequence
| 1. | Mix water, starch, vinegar and glycerin in a cooking pot. |
| 2. | Let the article cool for 24 hours before we use it. |
| 3. | Shape material to form a cup or bowl. |
| 4. | Continuously mix on medium heat until the liquid turns clear. |
| 5. | When the liquid begins to bubble it is ready to be taken off the stove. |
| 6. | Spread the gel onto aluminium foil and cool. |
Match the Following
| A | B |
| Nylon | Thermoplastic |
| PVC | Thermosetting plastic |
| Bakelite | Fibre |
| Teflon | Wood pulp |
| Rayon | Non-stick cookwares |
| 1. | Plastic bags | (a) | Polyvinyl chloride |
| 2. | PVC | (b) | Natural fibre |
| 3. | Melamine | (c) | Non-bio degradable |
| 4. | Wood | (d) | Thermosetting plastic |
| 1. | Nylon | (a) | Artificial silk |
| 2. | PET | (b) | Artificial wool |
| 3. | Rayon | (c) | Parachute |
| 4. | Acrylic | (d) | Polyester |
Read the following information and convert them into a graph to compare the countries and the amount of plastic they use.
China contributes the highest share - that is around 28%, of the total plastic used globally. Indonesia uses 10%, both the Philippines and Vietnam use 6% each; Thailand uses 3.2%, Egypt 3%, Nigeria 2.7% and South Africa 2%.
China contributes the highest share - that is around 28%, of the total plastic used globally. Indonesia uses 10%, both the Philippines and Vietnam use 6% each; Thailand uses 3.2%, Egypt 3%, Nigeria 2.7% and South Africa 2%.
Fill in the blanks
List the advantages and disadvantages of synthetic fibres.
How do plastics impact animals and the environment?
Crossword
Across
1. Fibre that is used as synthetic wool.
2. A plastic used for making water bottles.
3. A long chain made of small repeatingmonomers.
4. Another name for this semi-synthetic fibre is artificial silk.
Down
5. A type of fibre that is naturally obtained from a cocoon.
6. A synthetic fibre classified as polyester.
7. A polymer used for making rope.
Across
1. Fibre that is used as synthetic wool.
2. A plastic used for making water bottles.
3. A long chain made of small repeatingmonomers.
4. Another name for this semi-synthetic fibre is artificial silk.
Down
5. A type of fibre that is naturally obtained from a cocoon.
6. A synthetic fibre classified as polyester.
7. A polymer used for making rope.
Suggest safe methods of disposing plastics.
Arrange in Correct Sequence
| 1. | Mix water, starch, vinegar and glycerin in a cooking pot. |
| 2. | Let the article cool for 24 hours before we use it. |
| 3. | Shape material to form a cup or bowl. |
| 4. | Continuously mix on medium heat until the liquid turns clear. |
| 5. | When the liquid begins to bubble it is ready to be taken off the stove. |
| 6. | Spread the gel onto aluminium foil and cool. |
Generate a T3 CH3 Polymer Chemistry paper free
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