Chemistry Which of the following is used as filler in tyre of rubber ? Coal Carbon black Graphite Coke Coal Carbon black Graphite Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant constituent of atmospheric air is : Nitrogen Hydrogen Carbon Oxygen Nitrogen Hydrogen Carbon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Soda powder Borax powder Bleaching powder Alum Soda powder Borax powder Bleaching powder Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Peroxyacetyl nitrate Sulphur dioxide Carbon dioxide Nitric oxide Peroxyacetyl nitrate Sulphur dioxide Carbon dioxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum consists of a mixture of Hydrocarbons Carbohydrates Carbides Carbonates Hydrocarbons Carbohydrates Carbides Carbonates ANSWER DOWNLOAD EXAMIANS APP