# Placing cast under tap water is to be avoided as _____ ? with Answer - Dental Materials | TestPrep

> Solved MCQ: Placing cast under tap water is to be avoided as _____ ? Correct Answer: D. Gypsum is slightly soluble in water and the surface of the cast will be eroded. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Placing cast under tap water is to be avoided as _____ ?

Direct Answer & Quick Reference

The correct option is **D. Gypsum is slightly soluble in water and the surface of the cast will be eroded**.

A. H2O interferes with hygroscopic expansion

B. H2O inhibits polymerization of dental resin

C. H2O interferes with Crystallization of dihydrate

D. Gypsum is slightly soluble in water and the surface of the cast will be eroded **(Correct Answer)**

✨ Explain with AI

Verified Key: D. Gypsum is slightly soluble in water and the surface of the cast will be eroded
Solved by 1,423+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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