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5054. Boiling of water containing temporary hardness produces

September 7, 2025 by Admin

CO₂

CaSO₄

CaHCO₃

None of these

✅ The correct answer is option A.

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

5049. Which is the most suitable dye for synthetic fibres?

5058. RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

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