Chemistry Philosopher’s Wool is Zinc carbonate Zinc blende Zinc oxide Zinc sulphate Zinc carbonate Zinc blende Zinc oxide Zinc sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is an alloy of Carbon and iron Chromium, carbon and iron Chromium and carbon Chromium and iron Carbon and iron Chromium, carbon and iron Chromium and carbon Chromium and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Collection of dust Lack of aeration Oxidation of cellulose Frequent use Collection of dust Lack of aeration Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Nickel Zinc Silver Copper Nickel Zinc Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is used as fire extinguisher ? Carbon suboxide Carbon dioxide Carbon monoxide Sulphur dioxide Carbon suboxide Carbon dioxide Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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