With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements:1. Its fibres can be blended with wool and cotton fibres to rein- force their properties.2. Containers made of it can be used to store any alcoholic bev- erage.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.Which of the statements given above are correct?
✓ Correct answer: a) 1 and 3
ExplanationStatement 1 is correct: Polyethylene Terephthalate (PET) is a widely used thermoplastic polymer known for its strength, recyclability, and versatility in textiles and packag- ing.PET fibres can be blended with wool and cotton to enhance their durability, wrinkle resistance, and strength.It is commonly used in textile manufacturing for blended fabrics.Statement 2 is incorrect: PET containers are not suitable for all alcoholic beverages due to permeability issues and risk of chemical interaction with high-alcohol-content liquids.Statement 3 is correct: PET bottles are 100% recyclable and can be converted into fibres, packaging materials, and other plas- tic products.Statement 4 is incorrect: Incineration of PET releases carbon dioxide (CO₂) and other greenhouse gases, contributing to en- vironmental pollution.146
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