Chemistry Vinegar made by fermentation from cane sugar contains Palmitic acid Lactic acid Acetic acid Citric acid Palmitic acid Lactic acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium Calcium None of these Manganese Magnesium Calcium None of these Manganese ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Oxidation of cellulose Lack of aeration Frequent use Collection of dust Oxidation of cellulose Lack of aeration Frequent use Collection of dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pollutant responsible for ozone holes is ________ CO2 CO CFC SO2 CO2 CO CFC SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The items amenable to detection by soft x-rays are contrabands genuine coins from counterfeit coins lead in bullets narcotics contrabands genuine coins from counterfeit coins lead in bullets narcotics ANSWER DOWNLOAD EXAMIANS APP