Chemistry Brass gets discoloured in air due to constant exposure in presence of: Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide Aluminium phosphide Hydrogenated wafers Aluminium sulphide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of Gammaxane is Aniline Toluene Chloro benzene Benzene hexachloride Aniline Toluene Chloro benzene Benzene hexachloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Petrol Kerosene Lime Oxalic acid solution Petrol Kerosene Lime ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a Bakelite ? Polymer Solution Acid Base Polymer Solution Acid Base ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Lignite Bituminous Anthracite Peat Lignite Bituminous Anthracite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as promoter for iron in Haber's process Mg Mn Mo W Mg Mn Mo W ANSWER DOWNLOAD EXAMIANS APP
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