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What is the correct answer?


Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

A. Its calorific value is very less

B. Tar neutralises the residual acids present in pitch

C. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop

D. All (A), (B) and (C)