Chemistry Sodium vapour lamps glow with yellow colour. This is due to sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the following is used to dissolve noble metals. That is Hydrochloric acid Sulphuric acid Aqua ragia Nitric acid Hydrochloric acid Sulphuric acid Aqua ragia Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Vinegar Salt Lactic acid Citric acid Vinegar Salt Lactic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Sodium sulphate Potassium sulphate Lead Sulphate Zinc sulphate Sodium sulphate Potassium sulphate Lead Sulphate Zinc sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most volatile of the given liquids is Liquid He Ether Liquid Liquid NH3 Liquid He Ether Liquid Liquid NH3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Sodium sulphate Silver bromide Hydroquinone Hypo Sodium sulphate Silver bromide Hydroquinone Hypo ANSWER DOWNLOAD EXAMIANS APP
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