Chemistry Which one is the lightest element in the periodic table Carbon Oxygen Helium Hydrogen Carbon Oxygen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Zinc Cadmium Mercury Tin Zinc Cadmium Mercury Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Ozone and carbon dioxide Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur Ozone and carbon dioxide Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Nitrogen Ozone Oxygen Carbondioxide Nitrogen Ozone Oxygen Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element absorbed both in cation and anion form is Calcium Nitrogen Phosphorus Sulphur Calcium Nitrogen Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Dynamo Atomic bombs Electric heaters A battery Dynamo Atomic bombs Electric heaters A battery ANSWER DOWNLOAD EXAMIANS APP