Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.201 0.158 0.323 0.273 0.201 0.158 0.323 0.273 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Chlorofluorocarbon Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Hg Mg Mr None of these Hg Mg Mr None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alcoholic (– OH) group can be identified by : Esterification Test Ozonolysis Reaction Tollen's Reagent Test FeCl3Test Esterification Test Ozonolysis Reaction Tollen's Reagent Test FeCl3Test ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hard steel contains 2 to 5 per cent carbon 0.5 to 1.5 per cent carbon 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.5 to 1.5 per cent carbon 0.01 to 0.04 per cent carbon 0.1 to 0.4 per cent carbon ANSWER DOWNLOAD EXAMIANS APP