Question

$C \xleftarrow{\text { strongly heated }}B \xleftarrow{200^{\circ} C } CaSO _4 \cdot 2 H _2$ $O \xrightarrow[\text { Heat }]{120^{\circ} C } A$
$A,$ $B$ and $C$ are respectively.

• A. plaster of paris, dead burnt plaster, calcium sulphide
• B. dead burnt plaster, plaster of Paris, lime
• C. plaster of Pairs, dead burnt plaster, calcium sulphate
• D. plaster of Paris, dead burnt plaster, calcium oxide (lime)

Answer 1

Answer: (D)