Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? None of these Solder Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Ozonolysis Hydrogenation Oxidation Hydrolysis Ozonolysis Hydrogenation Oxidation Hydrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colour imparted to the Bunsen flame by strontium salt is Brick red Apple-green Bluish green Crimson red Brick red Apple-green Bluish green Crimson red ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Vessel Electrolyte Anode Cathode Vessel Electrolyte Anode Cathode ANSWER DOWNLOAD EXAMIANS APP
Chemistry "Paramagnetism" is the property of Unpaired electrons Paired electrons Completely filled electronics subshells Completely vacant electronic subshells Unpaired electrons Paired electrons Completely filled electronics subshells Completely vacant electronic subshells ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Chlorofluoro hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorinated hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
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