Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Noble gases Light metals Heavy metals Halogens Noble gases Light metals Heavy metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Ammonia Nitrates Nitrites Nitramines Ammonia Nitrates Nitrites Nitramines ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Fluorspar Cryolite Bauxite Haematite Fluorspar Cryolite Bauxite Haematite ANSWER DOWNLOAD EXAMIANS APP
Chemistry When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to SO3 SO2 NO2 N2O SO3 SO2 NO2 N2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of electrons presents in H+ is three two one zero three two one zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ore of Aluminium is Chalco pyrites Bauxite Hematite Fluorspar Chalco pyrites Bauxite Hematite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
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