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
Answer: (a).lime 63% ; silica 22% ; other ingredients 15%

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