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Question
In cement, ratio of silica : Lime : alumina is approximately
In cement, ratio of silica : Lime : alumina is approximately
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Solution
The correct option is B 4 : 10 : 1
Composition of ordinary cement -
Lime (62% - 67%)
Silica (17% - 25%)
Alumina (3% - 8%)
So, approximately - 4 : 10 : 1
Composition of ordinary cement -
Lime (62% - 67%)
Silica (17% - 25%)
Alumina (3% - 8%)
So, approximately - 4 : 10 : 1
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