Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Dry ice or frozen carbon dioxide All listed here Silver Iodide Sodium Chloride Dry ice or frozen carbon dioxide All listed here Silver Iodide Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Neoprene is a polymer of Isobutane Chloroprene Isopentane Isoprene Isobutane Chloroprene Isopentane Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compounds formed when hydrogen combines with p-block elements are called Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides Ionic hydrides Metallic hydrides Polynuclear hydrides Molecular hydrides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is coke charcoal graphite diamond coke charcoal graphite diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 –3 to + 6 –3 to + 5 –3 to + 4 –3 to + 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry In which of the following states maximum iron ore is found ? FeCO3 Fe2O3 Fe3O4 FeS2 FeCO3 Fe2O3 Fe3O4 FeS2 ANSWER DOWNLOAD EXAMIANS APP