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Civil Engineering · Q1

Building Materials

Engineering and GATE · Civil Engineering · question 1

Q1

Gypsum consists of

A.
H2S and CO2
B.
CaSO4 and H2O
Answer
C.
Lime and H2O
D.
CO2 and calcium

Answer: Option B

Solution

Answer: Option B
Solution:
Gypsum is a mineral that is composed of:

Calcium sulfate dihydrate (CaSO₄ · 2H₂O)

This means gypsum consists of:

Calcium sulfate (CaSO₄), which is the primary component.

Water (H₂O), which is combined with calcium sulfate to form gypsum.

Gypsum is widely used in construction and building materials, particularly for plaster and drywall.
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