Chemistry Laughing gas is Nitrogen trioxide Nitrogen pentoxide Nitrous oxide Nitric oxide Nitrogen trioxide Nitrogen pentoxide Nitrous oxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Fluorine Chlorine Nitrogen Sulphur Fluorine Chlorine Nitrogen Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material known in commerce as Terylene is a Synthetic fibre Natural fibre Blend of cotton and silk Modified natural fibre Synthetic fibre Natural fibre Blend of cotton and silk Modified natural fibre ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Industrial smog Photochemical smog Acid fumes Sulphurous smog Industrial smog Photochemical smog Acid fumes Sulphurous smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is commonly used for pulp bleaching in the paper industry? Mild sulphuric acid Iodine and water Glucose isomerase Hydrogen peroxide Mild sulphuric acid Iodine and water Glucose isomerase Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
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