CL-20, HMX, LLM-105 (Explosives)
Question
With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements: Which of the statements given above are correct?
- 1.
Its fibres can be blended with wool and cotton fibres to reinforce their properties.
- 2.
Containers made of it can be used to store any alcoholic beverage.
- 3.
Bottles made of it can be recycled into other products.
- 4.
Articles made of it can be easily disposed of by incineration without causing greenhouse gas emissions.
Options
1 and 3
2 and 4
1 and 4
2 and 3
Explanation
Statements 1 and 3 are correct. Statements 2 and 4 are incorrect.
PET (polyester) is widely blended with cotton/wool for durability and is highly recyclable. However, incinerating PET releases greenhouse gases and toxins (like carbon dioxide and dioxins). Also, high-strength alcoholic beverages can chemically degrade standard PET over time, making it unsuitable for any alcoholic beverage.
Answer: (a).
Question details
Year
2025
Paper
GS Paper 1
Question
Q46
Subject
Science & Technology
Sub-topic
Defence Technology
Type
Factual single
Difficulty
Hard
Nature
Current-affairs-linked
Source hint
Plastic Waste Management Amendment Rules 2022
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