Class 9 Chemistry MCQs – Practice Test for Exam Prep

Ions and Free Radicals Multiple Choice Questions with Answers – PDF Download

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The MCQ: Free radicals are electrically; "Ions and Free Radicals MCQs" App Download [Free] with answers: positively charged, negatively charged, and neutral to study online courses. Solve Fundamentals of Chemistry Quiz Questions, download Apple Book (Free Chapter) for secondary school graduation certificate.

Ions and Free Radicals MCQs PDF Download – Prep Test

MCQ: 1

Free radicals are electrically

positively charged
negatively charged
neutral
all of above

MCQ: 2

Ca on losing 2 electrons becomes

Ca^-2
Ca^-1
Ca⁺²
Ca^-2

MCQ: 3

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

ion
charge
atom
molecule

MCQ: 4

A free radical has

unpaired electrons
paired electrons
no electrons
even number of electrons

MCQ: 5

An oxide ion has -2 charge because

oxygen looses two electrons
oxygen gains two electrons
oxygen becomes neutral
oxygen gains 3 electrons

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