<prompt> Hypochloremia, hypokalemia and alkalosis are seen in-Hirschsprungs diseaseEsophageal atresiaCongenital hyperophic pyloric stenosisJejunal atresia  <response>: Biochemical abnormality in congenital hyperophic pyloric stenosis is a regular feature of AIIMS and AI examinations it has been repeated several times. The biochemical abnormalities seen are: Hypokalemia Hypochloremia Alkalosis and Paradoxical aciduria Ref : Schwaz 9e p59 