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5239. Blue vitriol is chemically

September 7, 2025 by Admin

Copper sulphate

Ferrous sulphate

Copper nitrate

Aluminium sulphate

✅ The correct answer is option A.

Categories Chemical Engineering, Chemical Process MCQs, Engineering Tags Chemical Engineering MCQs, Chemical Process MCQs, Engineering MCQs

5237. Flexible foam (for mattresses) is usually made of

5241. __________ is a polysacchride.

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