Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Borax-Bead test Spectroscopy Hydrolysis test Sodium Nitroprusside test Borax-Bead test Spectroscopy Hydrolysis test Sodium Nitroprusside test ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Carbon monoxide and Sulphur dioxide Ammonia and Ozone Carbon tetraflouride and Nitrous oxide Carbon dioxide and Methane Carbon monoxide and Sulphur dioxide Ammonia and Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Electrophoresis Sedimentation Filteration Precipitation Electrophoresis Sedimentation Filteration Precipitation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Magnesium oxide Aluminium oxide Calcium oxide Zinc oxide Magnesium oxide Aluminium oxide Calcium oxide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to High inflammable energy Lonic band Low inflammable energy Low Energy of dissociation High inflammable energy Lonic band Low inflammable energy Low Energy of dissociation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 2 : 16 : 1 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 ANSWER DOWNLOAD EXAMIANS APP
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