Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 314 50 88 138 314 50 88 138 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of Cobalt in Vitamin B12 was established for the first time by Sodium Nitroprusside test Borax-Bead test Hydrolysis test Spectroscopy Sodium Nitroprusside test Borax-Bead test Hydrolysis test Spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which is mainly responsible for the green house effect is: Carbon dioxide Oxygen Carbon monoxide Ozone Carbon dioxide Oxygen Carbon monoxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element from below list is liquid at room temperature Lead Bromine Argon Zinc Lead Bromine Argon Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 3 4 2 1 3 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 1.0 mg/m3 5.0 mg/m3 0.01 mg/m3 0.001 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
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