Chemistry The purest form of water in nature is River water Lake water Sea water Rain water River water Lake water Sea water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 4 2 1 3 4 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide Nitrogen dioxide Chlorofluorocarbon Sulphur dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The fundamental particles present in the nucleus of an atom are Neutron, positron Proton, neutron Neutron, electron Electron, proton Neutron, positron Proton, neutron Neutron, electron Electron, proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following partial miscible liquid pairs has both lower and upper critical solution temperature Water and Phenol Water and diethyl aniline Glycerine and m-toluene Aniline and n-hexane Water and Phenol Water and diethyl aniline Glycerine and m-toluene Aniline and n-hexane ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure The combination of oxygen molecules The action of ultraviolet rays on oxygen The action of nitrogen on oxygen in atmosphere Subjecting oxygen to high pressure ANSWER DOWNLOAD EXAMIANS APP
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