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 emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium sublimation of sodium to emit yellow colour Its ability to absorb all other colours except yellow The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A thick paste of cement, sand and water is called R.C.C. Mortar Concrete Kiln R.C.C. Mortar Concrete Kiln ANSWER DOWNLOAD EXAMIANS APP
Chemistry Emulsifier is an agent which Stabilizes an emulsion Homogenizes the emulsion Aids the flocculation of emulsion Accelerates the dispersion Stabilizes an emulsion Homogenizes the emulsion Aids the flocculation of emulsion Accelerates the dispersion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Earth’s atmosphere is an envelope of gases extending to a height of 100 km 300 km 200 km 150 km 100 km 300 km 200 km 150 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is positional isomerism chain isomerism functional group isomerism metamerism positional isomerism chain isomerism functional group isomerism metamerism ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 Dil. HCl and dil. HNO3 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. HCl Conc. HNO3 and conc. H2SO4 ANSWER DOWNLOAD EXAMIANS APP
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