Chemistry Which of the following is not a commercial source of energy? Petroleum Natural Gas Coal Firewood Petroleum Natural Gas Coal Firewood ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 0.03 0.94 85.02 78.03 0.03 0.94 85.02 78.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen has (+) oxidation number only in OF2 N2O H2O (2) C12O OF2 N2O H2O (2) C12O 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 neutrons in the nucleus The number of protons in its nucleus The number of electrons orbiting around the nucleus The number of nucleons in the nucleus The number of neutrons in the nucleus The number of protons in its nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Cryolite Bauxite Fluorspar Haematite Cryolite Bauxite Fluorspar Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic CaO Na2O MgO Al22O3 CaO Na2O MgO Al22O3 ANSWER DOWNLOAD EXAMIANS APP