Q. Which of the following statements is wrong ?

(A) clay or alumina
(B) A stone with large percentage of quartz is very soft
(C) Felspar is a silicate of aluminium with varying amounts of potash, soda or lime
(D) Quartz has a greasy lustre

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✅ Correct Answer: (B) A stone with large percentage of quartz is very soft

Published by Praveen Singh ⭐ 36.81K Points at 23-Feb-2025 04:17 pm in Building Materials

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