Chemical Formulas MCQs Quiz and Answers Tests pdf Download

Practice chemical formulas MCQs in science quiz for test prep. Atoms and atom model quiz questions has multiple choice questions (MCQ) with chemical formulas test, answers as the formula that shows number and kinds of atoms contained in a molecule of a substance is known as, answer key with choices as chemical formula, atomic formula, compound formula and molecular formula for competitive exam preparation worksheets. Free science revision notes to learn chemical formulas quiz with MCQs to find questions answers based online tests.

MCQs on Chemical Formulas Quiz pdf Download

MCQ. Formula that shows number and kinds of atoms contained in a molecule of a substance is known as

  1. Chemical Formula
  2. Atomic Formula
  3. Compound Formula
  4. Molecular Formula

A

MCQ. Smallest particle of Carbon dioxide consists of

  1. Two atoms
  2. Three atoms
  3. Four atoms
  4. One atom

B

MCQ. Scientists have found or made about

  1. 20 million compounds
  2. 22 million compounds
  3. 24 million compounds
  4. 26 million compounds

D

MCQ. 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