Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Hydrogen peroxide Glucose isomerase Mild sulphuric acid Iodine and water Hydrogen peroxide Glucose isomerase Mild sulphuric acid Iodine and water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of safety matches? Sodium Phosphorus Graphite Silicon Sodium Phosphorus Graphite Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Ethane Sulphur dioxide Chloro fluoro carbon Carbon dioxide Ethane Sulphur dioxide Chloro fluoro carbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Carbon dioxide ferilization effect Oxygen fertilization effect Depletion of ozone layer in the stratosphere Global warming Carbon dioxide ferilization effect Oxygen fertilization effect Depletion of ozone layer in the stratosphere Global warming ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Oxygen Hydrogen Nitrogen Carbon Oxygen Hydrogen Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Barium peroxide Sodium peroxide Ozone Hydrogen peroxide Barium peroxide Sodium peroxide Ozone Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
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