Acid and Base Strength and Concentration
Chemistry ⇒ Acids, Bases, and Salts
Acid and Base Strength and Concentration starts at 9 and continues till grade 12.
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See sample questions for grade 10
A solution has a pH of 2. Is it likely to be a strong or weak acid?
A solution of 0.01 M HCl and a solution of 0.01 M CH3COOH are prepared. Which will have a lower pH?
A student adds water to a concentrated sulfuric acid solution. What happens to the concentration and strength of the acid?
A student has two solutions: one is a dilute strong acid, and the other is a concentrated weak acid. Which one is likely to have a lower pH?
A solution has a pH of 2. Is it likely to be a strong or weak acid?
A solution of 0.01 M HCl and a solution of 0.01 M CH3COOH are prepared. Which will have a lower pH?
A student adds water to a concentrated sulfuric acid solution. What happens to the concentration and strength of the acid?
A student has two solutions: one is a dilute strong acid, and the other is a concentrated weak acid. Which one is likely to have a lower pH?
A 0.1 M solution of NaOH has a pH of approximately: (1) 1 (2) 7 (3) 13 (4) 3
Which of the following acids is considered weak? (1) Sulfuric acid (H2SO4) (2) Nitric acid (HNO3) (3) Acetic acid (CH3COOH) (4) Hydrochloric acid (HCl)
Which of the following bases is strong? (1) Ammonia (NH3) (2) Sodium hydroxide (NaOH) (3) Magnesium hydroxide (Mg(OH)2) (4) Aluminum hydroxide (Al(OH)3)
Which of the following is a property of a concentrated acid? (1) High water content (2) Low number of acid molecules per unit volume (3) High number of acid molecules per unit volume (4) Always weak
Fill in the blank: A base that completely dissociates in water is called a ________ base.
Fill in the blank: A base that produces a low concentration of hydroxide ions in water is called a ________ base.
Fill in the blank: A solution with a pH of 13 is considered a ________ base.
Fill in the blank: The pH of a 0.01 M NaOH solution is approximately ________.
True or False: A 0.01 M solution of HCl is more acidic than a 1 M solution of acetic acid.
True or False: A concentrated acid is always a strong acid.
True or False: A strong base has a high degree of dissociation in water.
True or False: The concentration of an acid or base is measured in moles per liter (mol/L).
