Chemistry Which of the following is secondary air pollutant ? SO2 NO2 Dust particles Photochemical smog SO2 NO2 Dust particles Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Nitrogen Fluorine Sulphur Chlorine Nitrogen Fluorine Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Quartz is made of Sodium Sulphate Calcium Sulphate Sodium Silicate Calcium Silicate Sodium Sulphate Calcium Sulphate Sodium Silicate Calcium Silicate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Iron Carbon–dioxide Brass Air Iron Carbon–dioxide Brass Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Helium Carbon dioxide Nitrogen Sulphur dioxide Helium Carbon dioxide Nitrogen Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of electrons orbiting around the nucleus The number of nucleons in the nucleus The number of protons in its nucleus The number of neutrons in the nucleus The number of electrons orbiting around the nucleus The number of nucleons in the nucleus The number of protons in its nucleus The number of neutrons in the nucleus ANSWER DOWNLOAD EXAMIANS APP
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