Chemistry In which of the following states maximum iron ore is found ? FeCO3 Fe2O3 FeS2 Fe3O4 FeCO3 Fe2O3 FeS2 Fe3O4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Noble gases Light metals Heavy metals Halogens Noble gases Light metals Heavy metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid rain destroys vegetations because it contains Sulphuric acid Nitric acid Ozone Carbon monoxide Sulphuric acid Nitric acid Ozone Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Triethyl lead Tetraethyl lead Trimethyl lead Tetramethyl lead Triethyl lead Tetraethyl lead Trimethyl lead Tetramethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Fumes Smoke Aerosols Mists Fumes Smoke Aerosols Mists ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not an addition polymer Polystyrene PVC Nylon Polythene Polystyrene PVC Nylon Polythene ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS