Ions and Free Radicals MCQs Quiz Online PDF Download

Ions and free radicals Multiple Choice Questions (MCQ), ions and free radicals quiz answers PDF to study secondary school chemistry for online certificate courses. Learn fundamentals of chemistry Multiple Choice Questions and Answers (MCQs), "Ions and Free Radicals" quiz questions and answers for online school courses. Learn avogadro number and mole, elements and compounds particles, molecular and formula mass, empirical and molecular formulas, ions and free radicals test prep for online teaching certification programs.

"Free radicals are electrically" Multiple Choice Questions (MCQ) on disadvantages of hard water with choices positively charged, negatively charged, neutral, and all of above for online school courses. Free chemistry student portal for online learning fundamentals of chemistry quiz questions for online teaching certification programs.

MCQs on Ions and Free Radicals PDF Download

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