Chemistry Acid rain is caused by the pollution of environment by Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? Stainless steel Cast iron Wrought iron High speed steel Stainless steel Cast iron Wrought iron High speed steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is zeolites aluminium borosilicate aluminium silicate silicon oxide zeolites aluminium borosilicate aluminium silicate silicon oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Cadmium Zinc Tin Mercury Cadmium Zinc Tin Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Mr Hg None of these Mg Mr Hg None of these Mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of SO2 layer CO2 layer O3 layer O 2 layer SO2 layer CO2 layer O3 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP