Asked: 42nd B.P.S.C. (Pre) 1997, 39th B.P.S.C. (Pre) 1994medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
प्लास्टर ऑफ पेरिस का सूत्र है-
The chemical formula of Plaster of Paris is-
SELECT CORRECT OPTION:
A
$CaSO_4$
B
Correct$CaSO_4 \cdot \frac{1}{2}H_2O$
C
$CaSO_4 \cdot H_2O$
D
$CaSO_4 \cdot 2H_2O$
Official Solution & Explanation:
Correct Answer: Option B($CaSO_4 \cdot \frac{1}{2}H_2O$)
प्लास्टर ऑफ पेरिस का रासायनिक सूत्र $CaSO_4 \cdot \frac{1}{2}H_2O$ (कैल्शियम सल्फेट हेमीहाइड्रेट) अथवा $(CaSO_4)_2 \cdot H_2O$ होता है।
The formula of Plaster of Paris is $CaSO_4 \cdot \frac{1}{2}H_2O$ (calcium sulphate hemihydrate).
Subject: General Science•Topic: Metals, Minerals, Ores: Properties and Uses•Subtopic: Metals, Minerals, Ores: Properties and Uses
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