Engineering Materials
Basic solution is one which has pH value

Less than 7
pH value has nothing to do with basic solution
Greater than 7
Equal to 7

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Engineering Materials
The charge of the blast furnace consists of

Calcined ore, coke and limestone all in equal parts
Calcined ore (8 parts), coke (4 parts) and limestone (1 part)
Calcined ore (1 part), coke (8 parts) and limestone (4 parts)
Calcined ore (4 parts), coke (1 part) and limestone (8 parts)

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