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Learn Chemical formulas Multiple Choice Questions (MCQ Quiz) with Answers PDF to participate digital science learning. Download the Chemical Formulas MCQ PDF e-Book to study Class 7 Science Tests. Study Atoms and Atom Model Multiple Choice Questions and Answers (MCQs), Chemical Formulas quiz answers PDF for science assignment help tools. Free Chemical Formulas Study App: Download the Class 7 Science MCQ App to study inside an atom, uses of radioisotopes, ionic bonds, mass number and isotopes test prep to access science courses online.

Download the "Chemical Formulas Study" App with MCQ: Formula that shows the number and kind of atoms which a substance of a molecule contained, is known as; with answers: chemical formula, atomic formula, compound formula, and molecular formula. Solve Atoms and Atom Model Quiz Questions, download Google e-Book (Free Chapter) to participate digital science learning.

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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