Chemistry Heating of a ore below its melting point in the absence of air is known as Roasting Calcination Smelting Refining Roasting Calcination Smelting Refining ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one amongst the following is not a Green House gas? Nitrogen Chloro fluoro carbons Carbon Monoxide Carbon dioxide Nitrogen Chloro fluoro carbons Carbon Monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Coagulant aid Adsorbent Oxidizing agent Reducing agent Coagulant aid Adsorbent Oxidizing agent Reducing agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Terylene Nylon Artificial silk Rubber Terylene Nylon Artificial silk Rubber ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 NO Hydrocarbons CO CO2 NO Hydrocarbons CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Copper Silver Nickel Zinc Copper Silver Nickel Zinc ANSWER DOWNLOAD EXAMIANS APP
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