Chemistry Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process : Hydrolysis Oxidation Hydrogenation Ozonolysis Hydrolysis Oxidation Hydrogenation Ozonolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, zinc, nickel Copper, nickel, aluminium Copper, zinc, aluminium Copper, silver, nickel Copper, zinc, nickel Copper, nickel, aluminium Copper, zinc, aluminium Copper, silver, nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Ca Na Mg K Ca Na Mg K ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Rain water Ground water Distilled water Tap water Rain water Ground water Distilled water Tap water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction Combination reaction Electrolysis Decomposition reaction Spontaneous oxidation-reduction reaction Combination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone consists of Oxygen and Carbon Hydrogen and Carbon Oxygen and Nitrogen Oxygen only Oxygen and Carbon Hydrogen and Carbon Oxygen and Nitrogen Oxygen only ANSWER DOWNLOAD EXAMIANS APP
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