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Q: Acid is a substance which dissociates in water to produce hydrogen ions is-
  • A. Arrhenius theory
  • B. Lewis theory
  • C. Bronsted theory
  • D. Lowry theory
Correct Answer: Option A - According to the Arrhenius theory, an acid is a susbtance that dissociates in water to produce hydrogen ion (H+). This theory is one of the earliest definition of acids and bases.
A. According to the Arrhenius theory, an acid is a susbtance that dissociates in water to produce hydrogen ion (H+). This theory is one of the earliest definition of acids and bases.

Explanations:

According to the Arrhenius theory, an acid is a susbtance that dissociates in water to produce hydrogen ion (H+). This theory is one of the earliest definition of acids and bases.