Chemistry Chemical composition of cement is Limestone and Gypsum Clay and Gypsum Limestone and Clay Limestone, Clay and Gypsum Limestone and Gypsum Clay and Gypsum Limestone and Clay Limestone, Clay and Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is vinyl chloride None of these ethyl alcohol ethylene vinyl chloride None of these ethyl alcohol ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Accumulation of smoke and dust over the sigrees Interrupted release of moisture from the material Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Nitrous oxide Sulphur dioxide Chlorofluorocarbon Carbon dioxide Nitrous oxide Sulphur dioxide Chlorofluorocarbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Methane Helium Nitrogen Hydrogen Methane Helium Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Decreases Increases Does not change May either increase or decrease depending on the process used Decreases Increases Does not change May either increase or decrease depending on the process used ANSWER DOWNLOAD EXAMIANS APP
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