For the manufacture of Portland cement, the proportions of raw materials used, are Options: A . &nbspLime 63% ; silica 22% ; other ingredients 15% B . &nbspLime 22% ; silica 63% ; other ingredients 15% C . &nbspSilica 40% ; lime 40% ; other ingredients 20% D . &nbspSilica 70% ; lime 20% ; other ingredients 10%

For the manufacture of Portland cement, the proportions of raw materials used, a

Question

For the manufacture of Portland cement, the proportions of raw materials used, are

Options:

A . Lime 63% ; silica 22% ; other ingredients 15%

B . Lime 22% ; silica 63% ; other ingredients 15%

C . Silica 40% ; lime 40% ; other ingredients 20%

D . Silica 70% ; lime 20% ; other ingredients 10%

Answer: Option A

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