Chemistry The working of a dry cell is based on Combination reaction Decomposition reaction Electrolysis Spontaneous oxidation-reduction reaction Combination reaction Decomposition reaction Electrolysis Spontaneous oxidation-reduction reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Lead Chromium Nickel Zinc Lead Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymer used in making plastic crockery is Nylon Melamine Bakelite Decron Nylon Melamine Bakelite Decron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Oxides of minerals Water Carbon dioxide Carbonates absorbed from soil Oxides of minerals Water Carbon dioxide Carbonates absorbed from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry For generation of biogas, the materials commonly used are Aquatic plants Forest residues Crop residues Animal wastes Aquatic plants Forest residues Crop residues Animal wastes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? High octane fuel Cooking gas Coal Low octane fuel High octane fuel Cooking gas Coal Low octane fuel ANSWER DOWNLOAD EXAMIANS APP
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