Chemistry Heating of a ore below its melting point in the absence of air is known as Smelting Calcination Roasting Refining Smelting Calcination Roasting Refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry The anode of a dry cell is made up of Cadmium Lead Zinc Iron Cadmium Lead Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is 5.05 gram 2.05 gram 3.05 gram 4.05 gram 5.05 gram 2.05 gram 3.05 gram 4.05 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' Antoine Lavoisier Democritus John Dalton Robert Boyle Antoine Lavoisier Democritus John Dalton Robert Boyle ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Methane Carbon Monoxide Ozone gas Carbon dioxide Methane Carbon Monoxide Ozone gas Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Methyl isocyanate Phosgene Carbon monoxide Chlorine Methyl isocyanate Phosgene Carbon monoxide Chlorine ANSWER DOWNLOAD EXAMIANS APP