FCAT Grade 8 Science Assessment Practice Questions - Question List

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1. On the periodic table, which group of elements is it not possible to form an ionic bond with?
  1. Group 4
  2. Group 8
  3. Group 11
  4. Group 16
  5. Group 18
2. Which of the following is the best definition for a covalent bond?
  1. A weak bond that occurs due to electrostatic forces.
  2. A bond that is formed by sharing of electrons between atoms.
  3. A bond that is formed through a charge difference between two atoms.
  4. A bond that has significant dipole moment, resulting in strong bonding forces.
  5. A weak polar bond formed through interaction of electronegativity.
3. Which of the following can be used to determine the pH of a solution?
I. Methyl orange indicator
II. Litmus paper
III. pH probe
  1. I only.
  2. II only.
  3. I and II.
  4. I, II, and III.
  5. III only.
4. Which of the following elements is liquid at room temperature?
  1. Iron
  2. Fluorine
  3. Mercury
  4. Titanium
  5. Sodium
5. Acid rain is caused by the mixture of which chemical byproduct with water?
  1. Ammonia
  2. Sulfur dioxide
  3. Sodium hydride
  4. Magnesium chloride
  5. Ferrous dioxide

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