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Ions and Free Radicals MCQ Questions with Answers PDF Download eBook

Ions and free radicals Multiple Choice Questions (MCQ) to practice ions and free radicals quiz answers PDF, 9th grade chemistry worksheets for online degrees. Solve fundamentals of chemistry Multiple Choice Questions and Answers (MCQs), "Ions and Free Radicals" quiz questions PDF for online school courses. Learn branches of chemistry, empirical and molecular formulas, elements compounds and mixtures, ions and free radicals test prep for online teaching certification programs.

"Free radicals are electrically" Multiple Choice Questions (MCQ) on methods of removing hardness with choices positively charged, negatively charged, neutral, and all of above for online school courses. Solve fundamentals of chemistry quiz questions for online certificate programs for online teaching certification programs.

MCQs on Ions and Free Radicals PDF Download eBook

MCQ: Free radicals are electrically

  1. positively charged
  2. negatively charged
  3. neutral
  4. all of above

C

MCQ: Ca on losing 2 electrons becomes

  1. Ca-2
  2. Ca-1
  3. Ca+2
  4. Ca-2

C

MCQ: The smallest part of an element that cannot exist as a free state is

  1. ion
  2. charge
  3. atom
  4. molecule

C

MCQ: A free radical has

  1. unpaired electrons
  2. paired electrons
  3. no electrons
  4. even number of electrons

A

MCQ: An oxide ion has -2 charge because

  1. oxygen looses two electrons
  2. oxygen gains two electrons
  3. oxygen becomes neutral
  4. oxygen gains 3 electrons

B