Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Oxygen Krypton Argon Nitrogen Oxygen Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Air Hydrogen Nitrogen Helium Air Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Isobars are lines joining places having equal Pressure Height above sea-level Rainfall Population Pressure Height above sea-level Rainfall Population ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polypropylene Polyethylene Polyamide Polyester Polypropylene Polyethylene Polyamide Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Carbonic Acid Water Methane Ammonia Carbonic Acid Water Methane Ammonia 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 A B C D A B C D ANSWER DOWNLOAD EXAMIANS APP
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