NOT KNOWN FACTUAL STATEMENTS ABOUT CBSE CLASS 12 MATHEMATICS

(b) Sulphuric acid is often called Oil of vitriol because from the later middle ages, it absolutely was received as an oily viscous liquid by heating crystals of green vitriol.Numerical difficulties are solved inside a move-wise method with explanations in basic language to help pupils comprehend the method of answering them conveniently. Important

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