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In triangle PQR ,angle P=90, angle Q=30, QR=9.6 cm then find the value of PQ give full exp. |
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Answer» CHEMICAL equation is the symbolic representation of a chemical reaction in the form of symbols and FORMULAE, wherein the REACTANT entities are given on the left-hand SIDE and the product entities on the right-hand side. ... The FIRST chemical equation was diagrammed by Jean Beguin in 1615. |
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