Chemistry The addition of gypsum to portland cement helps in : Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement Reduction in the cost of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Helium Hydrogen Lithium Sodium Helium Hydrogen Lithium Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Sulphur dioxide Carbon dioxide Carbon monoxide Methane Sulphur dioxide Carbon dioxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry An oxidising agent is a An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor An electron donor In a chemical reaction its oxidation number increases It releases H2 in a chemical reaction An electron acceptor ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Tap water Rain water Distilled water Ground water Tap water Rain water Distilled water Ground water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Tinning Galvanising Hot dipping Electroplating Tinning Galvanising Hot dipping Electroplating ANSWER DOWNLOAD EXAMIANS APP
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