Chemistry The main active constituent of tea and coffee is nicotine caffeine aspirin chlorophyll nicotine caffeine aspirin chlorophyll ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Precipitation Filteration Sedimentation Electrophoresis Precipitation Filteration Sedimentation Electrophoresis ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Smog None of these Eutrophication Green house effect Smog None of these Eutrophication Green house effect 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 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 sublimation of sodium to emit yellow colour ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat required to raise the temperature of body by 1 K is called None of these water equivalent specific heat thermal capacity None of these water equivalent specific heat thermal capacity ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethane ethylene acetylene carbon dioxide ethane ethylene acetylene carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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