Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Air Carbon monoxide Hydrogen Methane Air Carbon monoxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following vegetable oils does not contain essential fatty acids ? Sunflower oil Mustard oil Groundnut oil Coconut oil Sunflower oil Mustard oil Groundnut oil Coconut oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Sulphur, sand and charcoal TNT and charcoal Sand and TNT Nitre, sulphur and charcoal Sulphur, sand and charcoal TNT and charcoal Sand and TNT Nitre, sulphur and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cloud is a colloidal dispersion of Mist in a dispersion medium of air Air in a dispersion medium of water Fog in a dispersion medium of water Water drops in a dispersion medium of air Mist in a dispersion medium of air Air in a dispersion medium of water Fog in a dispersion medium of water Water drops in a dispersion medium of air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is PH meter Ammeter Acidmeter Hygrometer PH meter Ammeter Acidmeter Hygrometer ANSWER DOWNLOAD EXAMIANS APP
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