Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O Al2O3 CaO CaSO4, 2H2O Na2O + K2O Al2O3 CaO CaSO4, 2H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Crude oil Coal Biomass Carbohydrates Crude oil Coal Biomass Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Besides CO2, the other green house gas is CH4 Ar Ar N2 N2 O2 CH4 Ar Ar N2 N2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in Distilled water Sea water Rain water River water Distilled water Sea water Rain water River water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas involved in Bhopal incident was Methyl chloride Methyl isocyanide Hydrogen sulphide Nitrogen dioxide Methyl chloride Methyl isocyanide Hydrogen sulphide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which is mainly responsible for the green house effect is: Oxygen Carbon dioxide Ozone Carbon monoxide Oxygen Carbon dioxide Ozone Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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