Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon Iron and cadmium Lead peroxide and lead Nickel and cadmium Zinc and carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Nitrogen dioxide Nitrogen Carbon monoxide Carbon dioxide Nitrogen dioxide Nitrogen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is White lead Silver powder Aluminium powder Lead powder White lead Silver powder Aluminium powder Lead powder 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 D B C A D B C A ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbide Calcium sulphide Calcium chloride Calcium carbonate Calcium carbide Calcium sulphide Calcium chloride Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The least preferred technique in the disposal of Municipal Solid Waste is Bricketting Composting Land filling Incineration Bricketting Composting Land filling Incineration ANSWER DOWNLOAD EXAMIANS APP
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