Phthalic anhydride is used___________________?
Correct answer: D. As plasticisers
- A. In making PVC
- B. For making nylon-6
- C. In insecticides manufacture
- D. As plasticisers
Explanation
Phthalic anhydride is mainly used to manufacture phthalate plasticisers, such as dioctyl phthalate, which are added to polymers to increase flexibility. It is not the monomer used for nylon-6 or PVC production.
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