Chemistry The most important ore of lead is Siderite Pyrolusite Galena Magnetite Siderite Pyrolusite Galena Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Nitric oxide Carbon dioxide Chlorofluorocarbon Hydrogen Nitric oxide Carbon dioxide Chlorofluorocarbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and sodium bicarbonate Sand and sodium carbonate Sand Sand and potassium carbonate Sand and sodium bicarbonate Sand and sodium carbonate Sand Sand and potassium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bhopal gas tragedy is associated with leakage of Carbon dioxide Methyl isocyanate Sulphur dioxide Nitrogen dioxide Carbon dioxide Methyl isocyanate Sulphur dioxide Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element is Nitrogen Oxygen Calcium Silicon Nitrogen Oxygen Calcium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry J.J. Thomson’s proposed model of atom is generally called ________ model. Cream and pudding Plum and pudding Plum and cake Cream and cake Cream and pudding Plum and pudding Plum and cake Cream and cake ANSWER DOWNLOAD EXAMIANS APP