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Chemical Formulas MCQ Questions with Answers PDF Download eBook

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MCQs on Chemical Formulas PDF Download eBook

MCQ: The formula that shows the number and kind of atoms which a substance of a molecule contained, is known as

  1. chemical formula
  2. atomic formula
  3. compound formula
  4. molecular formula

A

MCQ: The smallest particle of carbon dioxide consists of

  1. two atoms
  2. three atoms
  3. four atoms
  4. five atoms

B

MCQ: To date, scientists have made about 26 millions

  1. elements
  2. compounds
  3. alkalis
  4. alkanes

B

MCQ: The smallest particle of water is

  1. element
  2. atom
  3. molecule
  4. neutron

C

MCQ: Oxygen is a diatomic gas so its chemical formula is

  1. O2
  2. O2
  3. O
  4. Ox

B