Chemistry Browning of paper in old books is caused by Oxidation of cellulose Collection of dust Lack of aeration Frequent use Oxidation of cellulose Collection of dust Lack of aeration Frequent use ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Copper Bauxite Manganese Iron Copper Bauxite Manganese Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of carbon monoxide is Fuel combustion Transportation Solid waste disposal Industrial process Fuel combustion Transportation Solid waste disposal Industrial process ANSWER DOWNLOAD EXAMIANS APP
Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Bauxite Manganese Mica Chromite Bauxite Manganese Mica Chromite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a noble gas ? Helium Argon Neon Hydrogen Helium Argon Neon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Black lung disease occurs in people working in Paint manufacturing industry Organic solvents industry Electroplating industry Coal mines Paint manufacturing industry Organic solvents industry Electroplating industry Coal mines ANSWER DOWNLOAD EXAMIANS APP
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