Chemistry Milk tastes sour when it is left in open for some time. This happens due to the formation of Carbonic acid Citric acid Lactic acid Acetic acid Carbonic acid Citric acid Lactic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of unreactive gas is Oxygen Hydrogen Carbon dioxide Nitrogen Oxygen Hydrogen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Precipitation Electrophoresis Sedimentation Filteration Precipitation Electrophoresis Sedimentation Filteration ANSWER DOWNLOAD EXAMIANS APP
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 5x/36 x/6 7.2 x 5x 5x/36 x/6 7.2 x ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 4 3 2 1 4 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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