Chemistry Methanoic and ethanoic acids can be distinguished by the action of NaOH SOCl2 NaHCO3 Tollen's reagent NaOH SOCl2 NaHCO3 Tollen's reagent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by the pollution of environment by Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Nitrous oxide and Sulphur dioxide Carbon dioxide and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Nitrogen Air Water Carbon di–oxide Nitrogen Air Water Carbon di–oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Galvanisation Reduction Corrosion Sublimation Galvanisation Reduction Corrosion Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Helium Nitrogen Air Hydrogen Helium Nitrogen Air Hydrogen 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 C A B D C A B D ANSWER DOWNLOAD EXAMIANS APP
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