Chemistry Which of the following is very reactive and kept in kerosene? Bromine Iodine Sodium Potassium Bromine Iodine Sodium Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rusting of iron takes place due to Oxidation Exfoliation Carbonation Corrosion Oxidation Exfoliation Carbonation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Silicon Nitrogen Phosphorous Potassium Silicon Nitrogen Phosphorous Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 200 km 150 km 300 km 100 km 200 km 150 km 300 km 100 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Nylon Polyvinyl Chloride Methyl Methacrylate Polythene Nylon Polyvinyl Chloride Methyl Methacrylate Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide Hydrogen sulphide Hydrogenated wafers Aluminium phosphide Aluminium sulphide ANSWER DOWNLOAD EXAMIANS APP
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