Chemistry Which among the following elements is found in maximum percentage in the human body ? Hydrogen Oxyzen Nitrozen Carbon Hydrogen Oxyzen Nitrozen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Asbestos is formed of : Copper, Zinc and Manganese Calcium and Magnesium Calcium and Zinc Lead and Iron Copper, Zinc and Manganese Calcium and Magnesium Calcium and Zinc Lead and Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? Automobile exhaust All of these Forest fire Bacterial action in soil and swamp areas Automobile exhaust All of these Forest fire Bacterial action in soil and swamp areas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Camphor Diesel Charcoal Coal-tar Camphor Diesel Charcoal Coal-tar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of Polyester None of these Acrylic Polymer Polyester None of these Acrylic Polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Collection of dust Lack of aeration Oxidation of cellulose Frequent use Collection of dust Lack of aeration Oxidation of cellulose Frequent use ANSWER DOWNLOAD EXAMIANS APP
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