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The Chemical formulas Multiple Choice Questions (MCQ Quiz) with Answers PDF (Chemical Formulas MCQ PDF e-Book) download to study Class 7 Science Tests. Learn Atoms and Atom Model Multiple Choice Questions and Answers (MCQs), Chemical Formulas quiz answers PDF to learn online homeschool courses. The Chemical Formulas MCQ App Download: Free Class 7 Science App to study inside an atom, uses of radioisotopes, ionic bonds, mass number and isotopes test prep for distance learning classes.

The MCQ: Formula that shows the number and kind of atoms which a substance of a molecule contained, is known as; "Chemical Formulas MCQs" App Download [Free] with answers: chemical formula, atomic formula, compound formula, and molecular formula to learn online homeschool courses. Solve Atoms and Atom Model Quiz Questions, download Google e-Book (Free Chapter) for school certificate.

Chemical Formulas MCQs PDF Download – Prep Test

MCQ 1: 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

MCQ 2: The smallest particle of carbon dioxide consists of:

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

MCQ 3: To date, scientists have made about 26 millions:

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

MCQ 4: The smallest particle of water is:

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

MCQ 5: Oxygen is a diatomic gas so its chemical formula is:

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

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