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IGCSE A Level Chemistry MCQs – Practice Test 10 (Chapter 19)

Moles and Equations MCQ with Answers PDF Download – Test 10

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Learn Moles and Equations Multiple Choice Questions (MCQ Quiz) with Answers PDF to achieve chemistry educational excellence. Download the Moles and Equations MCQ PDF e-Book, Ch. 19-10 to learn IGCSE A Level Chemistry Course. Solve Mole Calculations Multiple Choice Questions (MCQs), Moles and Equations quiz answers PDF to prepare chemistry exams. Download the Moles and Equations Study App: Free IGCSE A Level Chemistry MCQ App to learn chemical formula and equations, amount of substance, atoms and molecules mass career test for chemistry digital certification pathways.

Free "Moles and Equations Study" App Download (iOS & Android) with MCQ: Magnesium (Mg) burns in oxygen (O2) to form; with answers: magnesium hydroxide (mg(oh)2), magnesium peroxide (mg2o2), magnesium oxide (mgo), and magnesium dioxide (mgo2). Practice Equilibrium Position Quiz Questions, download Apple Book (Free Chapter) to achieve chemistry educational excellence.

Moles and Equations MCQ with Answers PDF Download: Quiz 10

MCQ 46: Magnesium (Mg) burns in oxygen (O2) to form:

  1. magnesium peroxide (Mg2O2)
  2. magnesium hydroxide (Mg(OH)2)
  3. magnesium oxide (MgO)
  4. magnesium dioxide (MgO2)

MCQ 47: The number of electrons (e-) which are needed to complete the outer shell of each atom determines formula of:

  1. covalent compound
  2. ionic compound
  3. co-ordinate compound
  4. metallic compound

MCQ 48: 1 mole of a sodium chloride (NaCl) has number of sodium ions (Na+) equal to:

  1. 6.02 x 1023
  2. 5.02 x 1023
  3. 4.02 x 1023
  4. 3.02 x 1023

MCQ 49: The name given to ions containing oxygen (O2) are usually called:

  1. oxalates
  2. oxides
  3. ates
  4. oxy

MCQ 50: The sum of protons (p+) and neutrons (n0) in an atom is called its:

  1. atomic number
  2. nucleon number
  3. Avogadro's number
  4. protonic identity

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