College Chemistry MCQs - Chapter 2

Basic Chemistry Quiz Questions and Answers PDF - 3

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The Quiz: Number of isotopes which oxygen atom has is; "Basic Chemistry" App Download iOS & Android (Free) with answers five, three, nine and two to learn certification courses online. Study isotopes quiz questions, download Amazon eBook (Free Sample) for colleges offering online degree programs.

Basic Chemistry Questions & Answers PDF Download: MCQ Quiz 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

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