Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Limestone and clay Chalk and graphite Limestone and graphite Clay and graphite Limestone and clay Chalk and graphite Limestone and graphite Clay and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacture of iron from iron ore involves the process of Fractional distillation Oxidation Reduction Electrolysis Fractional distillation Oxidation Reduction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnalium is an alloy of Magnesium and Tin Aluminium and Magnesium Manganese and Magnesium Aluminium and Zinc Magnesium and Tin Aluminium and Magnesium Manganese and Magnesium Aluminium and Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide Methane Carbon monoxide Nitrous oxide and sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is magnetite bauxite monazite haematite magnetite bauxite monazite haematite ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS