Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is All of them Oxygen Hydrogen Carbon dioxide All of them Oxygen Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Oxygen over slaked lime Chlorine over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne Oxygen over slaked lime Chlorine over slaked lime Carbon dioxide over slaked lime Chlorine over quick lirne ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who is known as the 'father of modern chemistry' John Dalton Robert Boyle Antoine Lavoisier Democritus John Dalton Robert Boyle Antoine Lavoisier Democritus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrogen dioxide Nitrous oxide Coloured impurities Oxygen Nitrogen dioxide Nitrous oxide Coloured impurities Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Carbon dioxide Carbon monoxide Nitrogen dioxide Nitrogen Carbon dioxide Carbon monoxide Nitrogen dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogenated wafers Aluminium sulphide Aluminium phosphide Hydrogen sulphide Hydrogenated wafers Aluminium sulphide Aluminium phosphide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
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