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Uses of Calcium Sulphate

The differenc...

Question

The difference of number of water molecules in gypsum and plaster of paris is

A

2

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B

\frac{5}{2}

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C

\frac{3}{2}

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D

\frac{1}{2}

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Solution

The correct option is C $\frac{3}{2}$
Gypsum has the formula $C a S O_{4} 2 H_{2} O$ while plaster of paris is $C a S O_{2} . \frac{1}{2} H_{2} O$

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Uses of Calcium Sulphate

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