Chemistry Class 12 Chapter 16 - Environmental Chemistry

Multiple choice questions or MCQs are order of the day and with each passing day use of MCQs is on the increase especially because of computers and internet. This page covers Chemistry Class 11. MCQs are made in such a way that no important aspect is missed out. Any student taking a test and getting more than 90% marks will surely get similar marks in board exam. This will also form basis for your preparation for entry test. All lessons of Chemistry class 11 are covered. Environmental Chemistry is inter-related with all other branches of _____________? ______________ is three times lighter than air? The gases Nitric oxide NO and Nitrogen dioxide NO2 are represented by ___________?


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