Free TEAS Test Exam Braindumps
Test of Essential Academic Skills: Reading Comprehension, Sentence Correction, Math Problem Solving, Sentence Completion Questions 206–210 (page: 43)

Updated On: 9-Feb-2026

Simple covalent compounds show which of the following properties?

  1. They are soluble in organic solvents e.g. ethanol.
  2. They conduct electricity when molten or dissolved in water.
  3. They are crystalline solids at room temperature.
  4. They have high melting and boiling points.

Answer(s): A



The law of conservation of mass states that ____________.

  1. The total mass of all products of a chemical reaction is independent of the total mass of all the reactants. They are not related.
  2. The total mass of all products of a chemical reaction is equal to the total mass of all the reactants.
  3. The total mass of all products of a chemical reaction is more than the total mass of all the reactants.
  4. The total mass of all products of a chemical reaction is less than the total mass of all the reactants, because some mass coverts to energy during reaction.

Answer(s): B



What happens when a piece of zinc is placed in a copper(II) sulphate solution?

  1. Zinc displaces copper from copper(II) sulphate solution. The original blue color of the solution persists.
  2. Sulphur dioxide is liberated.
  3. Zinc displaces copper from copper(II) sulphate solution.
  4. No reaction occurs because zinc is less reactive metal than copper.

Answer(s): C



Which of these statements is correct?

  1. An oxidizing agent removes oxygen or electrons from other substances.
  2. A reducing reagent either adds oxygen to, or removes electrons from, another substance.
  3. An oxidizing agent either adds oxygen to, or removes electrons from, other substances.
  4. A reducing agent removes oxygen from, or removes electrons to, another substance.

Answer(s): C



What causes a moving body to resist a change in its state of motion?

  1. its momentum
  2. its speed
  3. its acceleration
  4. its inertia

Answer(s): D



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