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Inter Surface chemistry Class 12th chemistry Chapter – 5 VVI objective For Bihar Board and all other board In English medium Surface Chemistry 1. If dispersed phase is liquid and dispersion medium is solid, the coloid is known as : (A) A Sol (B) A gel (C) An emulsion (D) A foam Ans – B […]
Inter vvi objective question Classical 12th chemistry Chapter – 4 VVI objective For Bihar Board and all other board In English medium Chemical Kinetics 1. By which of the following a catalyst increases the rate of reaction ? (A) Decreasing internal energy (B) Decreasing activation energy (C) Increasing activation energy (D) None of these Ans […]