Chemistry Sodium vapour lamps glow with yellow colour. This is due to sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium Its ability to absorb all other colours except yellow ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Mercury Water Bromine Alcohol Mercury Water Bromine Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Saline soils Alkaline soils Acidic soils Podsols Saline soils Alkaline soils Acidic soils Podsols ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Polyvinyl Chloride Methyl Methacrylate Nylon Polythene Polyvinyl Chloride Methyl Methacrylate Nylon Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a sublime substance? Iodine Sugar Potassium Iodide Table salt Iodine Sugar Potassium Iodide Table salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Sodium hydroxide Sodium bicarbonate Potassium carbonate Sodium carbonate Sodium hydroxide Sodium bicarbonate Potassium carbonate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
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