Chemistry Atoms of same element having different mass numbers are called________ Isobars Isotopes Isomers Isotones Isobars Isotopes Isomers Isotones ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 NO CO Hydrocarbons CO2 NO CO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Phosphorous, Sodium and Nitrogen Sulphur, Phosphorous and Sodium Calcium, Phosphorous and Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon dioxide Methane and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial Vaseline is derived from Petroleum Coal tar Wool wax Plant gums Petroleum Coal tar Wool wax Plant gums ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Thorium Uranium Zirconium Plutonium Thorium Uranium Zirconium Plutonium ANSWER DOWNLOAD EXAMIANS APP