Chemistry The purest form of Iron is : Wrought iron Steel Pig iron Cast iron Wrought iron Steel Pig iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is adding sodium carbonate boiling distillation adding caustic soda adding sodium carbonate boiling distillation adding caustic soda 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 B C A D B C ANSWER DOWNLOAD EXAMIANS APP
Chemistry The influence of temperature on reaction rate is predicted by Lewis equation Kirchhoff's equation Arrhenius equation Van der Waals equation Lewis equation Kirchhoff's equation Arrhenius equation Van der Waals equation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Galvanising Electroplating Hot dipping Tinning Galvanising Electroplating Hot dipping Tinning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Name two elements that find wide application in transistor industry Carbon and Platinum Tungsten and Platinum Silicon and Germanium Iridium and Germanium Carbon and Platinum Tungsten and Platinum Silicon and Germanium Iridium and Germanium ANSWER DOWNLOAD EXAMIANS APP
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