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 7.2 x x/6 5x 5x/36 7.2 x x/6 5x 5x/36 ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Carbondioxide Oxygen Sulphurdioxide Nitrogen Carbondioxide Oxygen Sulphurdioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main component of liquid bleach is: Sodium chloride Sodium hypochlorite Sodium hypochlorate Hydrochloric acid Sodium chloride Sodium hypochlorite Sodium hypochlorate Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used for dating very old objects of archaeological importance? Carbon-14 Radium Phosphorus-31 Tritium Carbon-14 Radium Phosphorus-31 Tritium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and bismuth Lead and zinc Lead and copper Lead and antimony Lead and bismuth Lead and zinc Lead and copper Lead and antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from An insect A seed plant A bacterium A fungus An insect A seed plant A bacterium A fungus ANSWER DOWNLOAD EXAMIANS APP
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