Chemistry Air shows the property of N2 None of these O2 Both A and B N2 None of these O2 Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Electrons Protons Neutrons None of these Electrons Protons Neutrons None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Nitrogen Carbon dioxide Oxygen Hydrogen Sulphide Nitrogen Carbon dioxide Oxygen Hydrogen Sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Carbon Hydrogen Nitrozen Oxyzen Carbon Hydrogen Nitrozen Oxyzen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The property of hydrogen which distinguishes it from alkali metals is Its electropositive character Its reducing character Its affinity for non-metal Its non-metallic character Its electropositive character Its reducing character Its affinity for non-metal Its non-metallic character ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the List-I with List-II and select the correct answer using the codes given below the listsList-I (Green house gas)List-II(Major source)F.Carbondioxide1.Enteric fermentation in cattleG.Methane2.Burning of fossilH.Chloroflro carbons3.Mercury compounds in waste waterJ.Nitrous oxide4.Nylon production 5.Air conditioner and refrigeration unitsCodes :FGHJA.2154B.3421C.3241D.1234 B D C A B D C A ANSWER DOWNLOAD EXAMIANS APP
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