Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Methane Nitrogen Carbon dioxide Ozone Methane Nitrogen Carbon dioxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Hund Rutherford Thomson Sommerfeld Hund Rutherford Thomson Sommerfeld ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to increase the anti-knocking property of petrol ? Trimethyl lead Triethyl lead Tetramethyl lead Tetraethyl lead Trimethyl lead Triethyl lead Tetramethyl lead Tetraethyl lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Carbon–dioxide Brass Air Iron Carbon–dioxide Brass Air Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Chlorine Bromine Iodine Flourine Chlorine Bromine Iodine Flourine 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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