Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Silver Iodide (Ag I) All of these Dry Ice (Frozen CO2) Sodium Chloride (NaCl) Silver Iodide (Ag I) All of these Dry Ice (Frozen CO2) Sodium Chloride (NaCl) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air shows the property of O2 None of these N2 Both A and B O2 None of these N2 Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Iron Copper Zinc Gold Iron Copper Zinc Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Helium Carbon monoxide Oxygen Carbon dioxide Helium Carbon monoxide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a Carbonyl group a carbon atom makes double bond with Hydrogen Carbon None of these Oxygen Hydrogen Carbon None of these Oxygen ANSWER DOWNLOAD EXAMIANS APP
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