Chemistry Which one of the following is not a cause for present global warming and climate change ? Carbondioxide emission CFC emission Methane emission Deforstation Carbondioxide emission CFC emission Methane emission Deforstation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gas released during Bhopal tragedy was : Potassium isothiocyanate Ethyl isothiocyanate Sodium isothiocyanate Methyl isothiocyanate Potassium isothiocyanate Ethyl isothiocyanate Sodium isothiocyanate Methyl isothiocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is costlier than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc has a higher melting point than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc is less reactive than tin Zinc has a higher melting point than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Reduction Sublimation Corrosion Galvanisation Reduction Sublimation Corrosion Galvanisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Hydrocarbons Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Plutonium Uranium Thorium Zirconium Plutonium Uranium Thorium Zirconium ANSWER DOWNLOAD EXAMIANS APP