Chemistry What is the principal ore of aluminium ? Lignite Copper Bauxite Dolomite Lignite Copper Bauxite Dolomite ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Petroleum Lignite Coal Biomass Petroleum Lignite Coal Biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Ammonium sulphate Ammonium nitrate Urea Calcium citrate Ammonium sulphate Ammonium nitrate Urea Calcium citrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer is present in Troposphere Ionosphere Stratosphere Exosphere Troposphere Ionosphere Stratosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The important ore of aluminium is Bauxite Haematite Cryolite Fluorspar Bauxite Haematite Cryolite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It immediately combines with oxygen to form water It is highly inflammable It is the lightest gas It is absorbed by plants It immediately combines with oxygen to form water It is highly inflammable It is the lightest gas It is absorbed by plants ANSWER DOWNLOAD EXAMIANS APP