Chemistry Ozone depletion in the atmosphere is mainly caused by Chlorofluorocarbon Hydrogen sulphide Nitrogen dioxide Sulphur dioxide Chlorofluorocarbon Hydrogen sulphide Nitrogen dioxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc has a higher melting point than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc is costlier than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Dehydration process Oxidation process Reduction process Hydration to form other hydrates Dehydration process Oxidation process Reduction process Hydration to form other hydrates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Dry farming Fire in coal mines Trade winds Greenhouse effect Dry farming Fire in coal mines Trade winds Greenhouse effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicone is a polymer of Tetraalkyl silane Silicon tetrachloride Dialkyl dichloro silane Silane Tetraalkyl silane Silicon tetrachloride Dialkyl dichloro silane Silane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by NO2and particulates SO2 and NO2 SO2 and particulates CO2and CFCs NO2and particulates SO2 and NO2 SO2 and particulates CO2and CFCs ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS