Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Decomposition of potassium permanganate Decomposition of manganese dioxide Fractional distillation of liquid air Electrolysis of water Decomposition of potassium permanganate Decomposition of manganese dioxide Fractional distillation of liquid air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Anthracite Lignite Peat Bituminous Anthracite Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents used for cleaning clothes and utensils contain Nitrates Bismuthates Bicarbonates Sulphonates Nitrates Bismuthates Bicarbonates Sulphonates ANSWER DOWNLOAD EXAMIANS APP
Chemistry The graphite rods in the nuclear reactor react with U to release energy produce neutrons convert fast moving neutrons into thermal neutrons undergo combustion which triggers the nuclear fission react with U to release energy produce neutrons convert fast moving neutrons into thermal neutrons undergo combustion which triggers the nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of natural gas is: Helium Nitrogen Methane Propane Helium Nitrogen Methane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Piped Natural Gas (PNG) is used for Mining Cooking Anaesthesia Welding Mining Cooking Anaesthesia Welding ANSWER DOWNLOAD EXAMIANS APP
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