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4681. Dry ice is

September 7, 2025 by Admin

A. Moisture free ice

B. Solid helium

C. Solid carbon dioxide

D. None of these

✅ The correct answer is option C.

Categories Chemical Engineering, Engineering, Thermodynamics MCQs Tags Chemical Engineering MCQs, Engineering MCQs, Thermodynamics MCQs

4677. The rate controlling step in the manufacture of silicone rubber is the

4686. Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?

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