Chemistry The most abundant element is Calcium Nitrogen Silicon Oxygen Calcium Nitrogen Silicon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide Carbon dioxide Sulphur dioxide Chlorofluorocarbon Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Does not change Increases Decreases May either increase or decrease depending on the process used Does not change Increases Decreases May either increase or decrease depending on the process used ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas is : Nitrous oxide Chloroprene Carbonyl chloride Bleaching powder Nitrous oxide Chloroprene Carbonyl chloride Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement Preventing rapid setting of cement Reduction in the cost of cement Rapid setting of cement Increasing the strength of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most volatile of the given liquids is Liquid He Liquid Ether Liquid NH3 Liquid He Liquid Ether Liquid NH3 ANSWER DOWNLOAD EXAMIANS APP