Chemistry The open "Sigrees" or coal stoves often require fanning to sustain burning because of Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Interrupted release of moisture from the material Accumulation of smoke and dust over the sigrees Lack of oxygen in the surroundings of sigrees Tendency of carbon dioxide to form a layer along with dust smoke Interrupted release of moisture from the material Accumulation of smoke and dust over the sigrees ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaO CaSO4, 2H2O Al2O3 Na2O + K2O CaO CaSO4, 2H2O Al2O3 Na2O + K2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon monoxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and nitrogen Carbon dioxide and hydrogen Carbon monoxide and nitrogen Carbon monoxide and hydrogen Carbon dioxide and nitrogen Carbon dioxide and hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Petrol Oxalic acid solution Lime Kerosene Petrol Oxalic acid solution Lime Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'laughing gas' is Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen dioxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Protons None of these Neutrons Electrons Protons None of these Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP