Chemistry Nitric acid does not react with Iron Copper Gold Zinc Iron Copper Gold Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Water vapour Carbon dioxide Carbon monoxide Ozone Water vapour Carbon dioxide Carbon monoxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide Hydrogen sulphide Aluminium sulphide Hydrogenated wafers Aluminium phosphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Coal Mica Natural Gas Petroleum Coal Mica Natural Gas Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Sulphur-di- oxide Ammonia Urea Chlorine Sulphur-di- oxide Ammonia Urea Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Alum Potassium Permangante Sodium carbonate Lime Alum Potassium Permangante Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
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