Acid-Base Reactions in Seawater

This quiz will test your understanding of acid-base reactions in seawater.

15 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

What is the pH of seawater?

  1. 7.0
  2. 8.0
  3. 9.0
  4. 10.0
Question 2 Multiple Choice (Single Answer)

What is the primary acid in seawater?

  1. Hydrochloric acid
  2. Sulfuric acid
  3. Nitric acid
  4. Carbonic acid
Question 3 Multiple Choice (Single Answer)

What is the primary base in seawater?

  1. Sodium hydroxide
  2. Potassium hydroxide
  3. Calcium carbonate
  4. Magnesium hydroxide
Question 4 Multiple Choice (Single Answer)

What is the process by which carbonic acid is formed in seawater?

  1. Dissolution of carbon dioxide in water
  2. Reaction of water with carbon dioxide gas
  3. Reaction of water with calcium carbonate
  4. Reaction of water with magnesium hydroxide
Question 5 Multiple Choice (Single Answer)

What is the process by which carbonic acid is removed from seawater?

  1. Precipitation of calcium carbonate
  2. Reaction of carbonic acid with water
  3. Reaction of carbonic acid with hydroxide ions
  4. Reaction of carbonic acid with hydrogen ions
Question 6 Multiple Choice (Single Answer)

What is the effect of increasing carbon dioxide levels on the pH of seawater?

  1. The pH decreases
  2. The pH increases
  3. The pH remains the same
  4. The pH fluctuates
Question 7 Multiple Choice (Single Answer)

What is the effect of increasing carbon dioxide levels on the alkalinity of seawater?

  1. The alkalinity decreases
  2. The alkalinity increases
  3. The alkalinity remains the same
  4. The alkalinity fluctuates
Question 8 Multiple Choice (Single Answer)

What is the effect of increasing carbon dioxide levels on the carbonate ion concentration in seawater?

  1. The carbonate ion concentration decreases
  2. The carbonate ion concentration increases
  3. The carbonate ion concentration remains the same
  4. The carbonate ion concentration fluctuates
Question 9 Multiple Choice (Single Answer)

What is the effect of increasing carbon dioxide levels on the bicarbonate ion concentration in seawater?

  1. The bicarbonate ion concentration decreases
  2. The bicarbonate ion concentration increases
  3. The bicarbonate ion concentration remains the same
  4. The bicarbonate ion concentration fluctuates
Question 10 Multiple Choice (Single Answer)

What is the effect of increasing carbon dioxide levels on the hydrogen ion concentration in seawater?

  1. The hydrogen ion concentration decreases
  2. The hydrogen ion concentration increases
  3. The hydrogen ion concentration remains the same
  4. The hydrogen ion concentration fluctuates
Question 11 Multiple Choice (Single Answer)

What is the effect of increasing carbon dioxide levels on the saturation state of calcium carbonate in seawater?

  1. The saturation state decreases
  2. The saturation state increases
  3. The saturation state remains the same
  4. The saturation state fluctuates
Question 12 Multiple Choice (Single Answer)

What is the effect of increasing carbon dioxide levels on the rate of calcium carbonate precipitation in seawater?

  1. The rate of precipitation decreases
  2. The rate of precipitation increases
  3. The rate of precipitation remains the same
  4. The rate of precipitation fluctuates
Question 13 Multiple Choice (Single Answer)

What is the effect of increasing carbon dioxide levels on the rate of calcium carbonate dissolution in seawater?

  1. The rate of dissolution decreases
  2. The rate of dissolution increases
  3. The rate of dissolution remains the same
  4. The rate of dissolution fluctuates
Question 14 Multiple Choice (Single Answer)

What is the effect of increasing carbon dioxide levels on the rate of coral reef growth?

  1. The rate of growth decreases
  2. The rate of growth increases
  3. The rate of growth remains the same
  4. The rate of growth fluctuates
Question 15 Multiple Choice (Single Answer)

What is the effect of increasing carbon dioxide levels on the rate of shell formation in marine organisms?

  1. The rate of formation decreases
  2. The rate of formation increases
  3. The rate of formation remains the same
  4. The rate of formation fluctuates