<prompt> Hays sulpher test is used to detect which of the following ?Bile salts in urineReducing sugar in urineKetone bodies in urineUrobilinogen in urine  <response>: Ans. is a i.e., Bile salts in urineTestsUsed forRotheras test nitroprusside test Ketone bodies in urine :- acetone and acetocetate Gerhardts test ferric chloride test Ketone bodies in urine :- acetoacetate. Benedicts test Reducing sugars in urine Fehlings test Reducing sugars in urine Hays sulpher test Bile salts in urineFouchets borium sulphate test Bile pigment : bilirubin Gmelins nitric acid test Bile pigment : bilirubin Vanden Bergh test Bile pigment : bilirubin Ehrlichs test Bilinogens stercobilinogen, urobilinogen Schlesingers test Bilins stercobilin, urobilin. Ehrlichs aldehyde test Porphobilinogen and urobilinogen in urine 