Ions and Free Radicals MCQs Quiz Online PDF Download
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MCQs on Ions and Free Radicals PDF Download
MCQ: Free radicals are electrically
- positively charged
- negatively charged
- neutral
- all of above
C
MCQ: Ca on losing 2 electrons becomes
- Ca-2
- Ca-1
- Ca+2
- Ca-2
C
MCQ: The smallest part of an element that cannot exist as a free state is
- ion
- charge
- atom
- molecule
C
MCQ: A free radical has
- unpaired electrons
- paired electrons
- no electrons
- even number of electrons
A
MCQ: An oxide ion has -2 charge because
- oxygen looses two electrons
- oxygen gains two electrons
- oxygen becomes neutral
- oxygen gains 3 electrons
B