3 August 2015

MCAT Chemistry - [Group V-A - Nitrogen Family] Online Mcqs for Medical Entry Test

MCAT Chemistry (Group V-A - Nitrogen Family) for Medical College Aptitude Test Preparation

Medical College Entry Test (MCAT) Online Preparation from Chapter (Group V-A - Nitrogen Family)

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jQuizMe
Yellow colour of commercial nitric acid is due o the presence of
  1. N2O5
  2. NO
  3. NO2
  4. N2O