Chemistry Besides CO2, the other green house gas is O2 N2 N2 CH4 Ar Ar O2 N2 N2 CH4 Ar Ar ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Pyrolusite Magnetite Galena Siderite Pyrolusite Magnetite Galena Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Methane Ozone gas Carbon Monoxide Carbon dioxide Methane Ozone gas Carbon Monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Tobacco Sewage Leaded gasoline Insecticides Tobacco Sewage Leaded gasoline Insecticides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important metal used with iron to produce stainless steel is Tin Carbon Aluminium Chromium Tin Carbon Aluminium Chromium ANSWER DOWNLOAD EXAMIANS APP