Chemistry · Acids, Bases and Salts
The substance which doctors use as plaster for supporting fractured bones in the right position is:
- 1Na 2 CO 3 ·10H 2 O
- 2CaSO 4 ·2H 2 O
- 3CuSO 4 ·5H 2 O
- 4CaSO 4 · 1 2 H 2 O✓
Correct answer
CaSO 4 · 1 2 H 2 O
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