College Chemistry Certification MCQs – Practice Test 3 (Chapter 2)

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Basic Chemistry Quiz PDF Download – Practice Test 3

MCQ 11: The number of isotopes which oxygen atom has is:

three
five
nine
two

MCQ 12: C₃H₄O₃ is empirical formula for vitamin:

MCQ 13: Moleis defined as the mass of an element divided by:

Molar mass
atomic number
atomic mass
empirical formula

MCQ 14: The ordinary microscope can measure up to:

400nm
500nm
200nm
700nm

MCQ 15: The molecules expressed by formula unit mass are:

atoms
neutral gases
covalent
ionic

College Chemistry Quiz App & e-Book – Basic Chemistry Certification Guide

Liquids and Solids MCQs

Chemical Bonding: Chemistry MCQs

Gases MCQs

Basic Chemistry MCQs

Atomic Structure MCQs

Experimental Techniques MCQs

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