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Strength of Acids and Bases

Chemistry ⇒ Acids, Bases, and Salts

Strength of Acids and Bases starts at 9 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Strength of Acids and Bases. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 11
A solution of 0.1 M NH3 has a higher pH than a 0.1 M NaOH solution. Explain why.
A student adds equal concentrations of HCl and CH3COOH to separate beakers of water. Which solution will have a lower pH?
Arrange the following acids in order of increasing strength: HCl, CH3COOH, H2SO4.
Calculate the pOH of a 0.01 M NaOH solution.
Define the term 'strong acid'.
Explain why acetic acid is considered a weak acid.
A student adds equal concentrations of HCl and CH3COOH to separate beakers of water. Which solution will have a lower pH?
A student prepares two solutions: 0.1 M NaOH and 0.1 M Ba(OH)2. Which solution will have a higher pH and why?
A 0.1 M solution of which of the following will have the highest pH? (1) HCl (2) HNO3 (3) CH3COOH (4) H2SO4
Which of the following acids is the weakest? (1) HNO3 (2) HCl (3) H2SO4 (4) HF
Which of the following is a property of a weak acid? (1) High electrical conductivity (2) Complete ionization (3) Partial ionization (4) High pH at all concentrations
Which of the following is a strong acid? (1) Hydrochloric acid (HCl) (2) Acetic acid (CH3COOH) (3) Carbonic acid (H2CO3) (4) Phosphoric acid (H3PO4)
The acid dissociation constant (Ka) is a measure of _______.
The base dissociation constant (Kb) is used to measure the _______ of a base.
The pH of a 0.01 M HCl solution is _______.
The strength of an acid depends on its ability to _______ in water.
True or False: A strong base completely dissociates in water.
True or False: A weak acid has a low Ka value.
True or False: The conjugate base of a strong acid is a weak base.
True or False: The pH of a strong acid solution decreases as its concentration increases.