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 Magnetite is Fe2O3 Fe3O4 2Fe2O3. 3H2O FeCO3 Fe2O3 Fe3O4 2Fe2O3. 3H2O FeCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Animal wastes Aquatic plants Crop residues Forest residues Animal wastes Aquatic plants Crop residues Forest residues 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 D C B A D C B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Lignite Anthracite Peat Bitumen Lignite Anthracite Peat Bitumen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 4 2 3 5 4 2 3 5 ANSWER DOWNLOAD EXAMIANS APP
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