Civil Engineering · Q73

Building Materials

Engineering and GATE · Civil Engineering · question 73

Q73

Asbestos . . . . . . . .

A.

Is a natural fibrous mineral substance

B.

Is composed of hydrous silicates of calcium and magnesium (CaSiO₃, 3MgSiO₃)

C.

Contains iron oxide and alumina

D.

All the above

Answer

Answer: Option D

Solution

Answer: Option D

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