Chemistry Iron is extracted from Haematite Bauxite Cinnabar Dolomite Haematite Bauxite Cinnabar Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Propionic acid Formic acid Butyric acid Acetic acid Propionic acid Formic acid Butyric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as best adsorbent? Activated Coconut Charcoal Charcoal Activated Charcoal Carbon black Activated Coconut Charcoal Charcoal Activated Charcoal Carbon black ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? N2O CH4 CO2 Chlorofluorocarbons N2O CH4 CO2 Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is methane oxygen ozone helium methane oxygen ozone helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Helium Carbon dioxide Carbon monoxide Oxygen Helium Carbon dioxide Carbon monoxide Oxygen ANSWER DOWNLOAD EXAMIANS APP