Chemistry Silver gets corroded due to ________ in air. Hydrogen Sulphide Carbon dioxide Oxygen Nitrogen Hydrogen Sulphide Carbon dioxide Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Ni Cu Pb Pt Ni Cu Pb Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.18 0.305 0.25 0.27 0.18 0.305 0.25 0.27 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Carbon dioxide Helium Nitrogen Sulphur dioxide Carbon dioxide Helium Nitrogen Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is a solution of molten copper in Molten tin Gaseous zinc Solid zinc Molten zinc Molten tin Gaseous zinc Solid zinc Molten zinc ANSWER DOWNLOAD EXAMIANS APP
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