Chemistry Conduction band electrons have more mobility than holes because they Have negative charge Need less energy to move them Are lighter Experience collision less frequently Have negative charge Need less energy to move them Are lighter Experience collision less frequently ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 2 1 0.05 0.01 2 1 0.05 0.01 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer obtained by the condensation of hexamethylene diamine and adipic acid is : Bakelite Tollen's Terylene Nylon 66 Bakelite Tollen's Terylene Nylon 66 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The total energy of revolving electron in an atom Can have any value above zero Can never be positive Cannot be negative Will always be positive Can have any value above zero Can never be positive Cannot be negative Will always be positive 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 D B C A D B ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Pure substance Heterogeneous Both A and B Homogeneous Pure substance Heterogeneous Both A and B Homogeneous ANSWER DOWNLOAD EXAMIANS APP
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