Chemistry What is the covalency of nitrogen in ammonia molecule 4 5 3 2 4 5 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The degree of dissociation of an electrolyte depends on Atmospheric pressure Dilution Impurities Method of dissolution Atmospheric pressure Dilution Impurities Method of dissolution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a commercial source of energy? Firewood Natural Gas Coal Petroleum Firewood Natural Gas Coal Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Polyurethane Metallic polysulphides Polystyrene Teflon Polyurethane Metallic polysulphides Polystyrene Teflon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas emitted by power stations causes acid rain? Carbon dioxide Sulphur dioxide Nitrogen Helium Carbon dioxide Sulphur dioxide Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP