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Portland cement is manufactured by using...

Portland cement is manufactured by using-

A

Lime stone, clay and sand

B

Lime stone, gypsum and sand

C

Lime stone, gypsum and alumina

D

Lime stone, clay and gypsum

Text Solution

Verified by Experts

The correct Answer is:
D
Lime stone -`CaCO_(3)`
Clay -silica and alumina
Gypsum `-CaSO_(4).2H_(2)O`
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