Chemistry Total number of halogen elements found in the periodic table is 13 8 5 3 13 8 5 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Radio-waves Ultraviolet Visible Infrared Radio-waves Ultraviolet Visible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Cement Petrochemicals Fertilizers Aluminium Cement Petrochemicals Fertilizers Aluminium 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
Chemistry Which of the following is not a commercial source of energy? Petroleum Coal Natural Gas Firewood Petroleum Coal Natural Gas Firewood ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Chlorine Freon Sulphur dioxide Phosphine Chlorine Freon Sulphur dioxide Phosphine ANSWER DOWNLOAD EXAMIANS APP