Chemistry A pungent smell often present near the urinals is due to Sulphur-di- oxide Chlorine Ammonia Urea Sulphur-di- oxide Chlorine Ammonia Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Insecticides Leaded gasoline Sewage Tobacco Insecticides Leaded gasoline Sewage Tobacco ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Basic property Acidic property Reducing property Oxidising property Basic property Acidic property Reducing property Oxidising property ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Scum Sewer Sewage Sludge Scum Sewer Sewage Sludge ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief constituent of vinegar is Formic acid Acetic acid Salycylic acid Oxalic acid Formic acid Acetic acid Salycylic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of 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 Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP