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With reference to polyethylene terephthalate (PET), consider the following statements: 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.

UPSC · 2022 · Environment & Science & Technology
Question:
With reference to polyethylene terephthalate (PET), consider the following statements: 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
Answer: 1 and 3

Explanation:
PET fibres are blended with natural fibres for textile strength and are recyclable into various products. However, PET incineration releases CO₂, and it’s unsuitable for some alcohol storage due to leaching risk.

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