Acid-Base Theories

Chemistry ⇒ Acids, Bases, and Salts

Acid-Base Theories 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 Acid-Base Theories. 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 9

Describe the main difference between the Arrhenius and Bronsted-Lowry definitions of acids and bases.

Describe the role of water in the Bronsted-Lowry acid-base reaction between HCl and H₂O.

Explain why HCl is considered an acid in all three theories: Arrhenius, Bronsted-Lowry, and Lewis.

Explain why NaOH is considered a base according to the Arrhenius theory.

Explain why NH₃ is considered a base according to the Bronsted-Lowry theory.

Explain why the Lewis theory is considered more general than the Arrhenius and Bronsted-Lowry theories.

State one example of an amphoteric substance and explain why it is amphoteric.

State the main postulate of the Arrhenius theory of acids and bases.