Chemistry Supersonic jet causes pollution by thinning of O3 layer O 2 layer SO2 layer CO2 layer O3 layer O 2 layer SO2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Micron Angstrom Nanometre Fermi Micron Angstrom Nanometre Fermi ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to Its ability to absorb all other colours except yellow The low ionisation energy of sodium sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow The low ionisation energy of sodium sublimation of sodium to emit yellow colour The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of naturally occurring elements 62 98 92 110 62 98 92 110 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Nitrogen Carbon monoxide Carbon dioxide Oxygen Nitrogen Carbon monoxide Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Coal Kerosene Diesel Hydrogen Coal Kerosene Diesel Hydrogen ANSWER DOWNLOAD EXAMIANS APP
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