Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Sulphur dioxide Carbon dioxide Chlorofluorocarbons Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbons Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Viscosity Elasticity Surface tension Floatation Viscosity Elasticity Surface tension Floatation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Carbonation Exfoliation Corrosion Oxidation Carbonation Exfoliation Corrosion Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of SO2 CO2 CO Unburnt petrol SO2 CO2 CO Unburnt petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at West Bengal coast Travancore coast Gujarat coast Orissa coast West Bengal coast Travancore coast Gujarat coast Orissa coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Clay and Gypsum Limestone and Clay Limestone, Clay and Gypsum Limestone and Gypsum Clay and Gypsum Limestone and Clay Limestone, Clay and Gypsum Limestone and Gypsum ANSWER DOWNLOAD EXAMIANS APP
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