Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x/36 5x x/6 7.2 x 5x/36 5x x/6 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Oxygen Carbon and Hydrogen Carbon and Nitrogen Carbon and Sulphur Carbon and Oxygen Carbon and Hydrogen Carbon and Nitrogen Carbon and Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Silver Iodide (Ag I) Sodium Chloride (NaCl) All of these Dry Ice (Frozen CO2) Silver Iodide (Ag I) Sodium Chloride (NaCl) All of these Dry Ice (Frozen CO2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? Hydrocarbons CO2 CO NO Hydrocarbons CO2 CO NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of bleaching powder is : Calcium hypochlorite Calcium chloro hypochlorite Calcium chlorate Calcium bi chloride Calcium hypochlorite Calcium chloro hypochlorite Calcium chlorate Calcium bi chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because this acid, in ancient times, was used to eliminate ant-hills this corrosive acid is secreted by ants to drive away their enemies this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid this acid, in ancient times, was used to eliminate ant-hills this corrosive acid is secreted by ants to drive away their enemies this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid ANSWER DOWNLOAD EXAMIANS APP
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