KVPY Government Jobs Exams

A compound that shows positive iodoform test is
(A) 2-pentanone (B) 3-pentanone (C) 3- pentanol (D) 1-pentanol

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KVPY Other Question

The gas produced from thermal decomposition of (NH4)2Cr2O7 is
(A) oxygen (B) nitric oxide
(C) ammonia (D) nitrogen After 2 hours the amount of a certain radioactive substance reduces to 1/16th of the original amount (the
decay process follows first-order kinetics). The half-life of the radioactive substance is
(A) 15 min (B) 30 min (C) 45 min (D) 60 min