Reactions in which products cannot turn back into reactants are termed as

  • A. irreversible reactions
  • B. reversible reactions
  • C. equilibrium reactions
  • D. redox reactions
  • Correct Answer: Option A

On description of proton, new classification of acid and base was given by

  • A. J.bronsted
  • B. T.lowry
  • C. J.Dalton
  • D. both A and B
  • Correct Answer: Option D

A substance which neutralizes a base is called

  • A. acid
  • B. alkali
  • C. alkaloid
  • D. halogen
  • Correct Answer: Option A

System of reaction in which no reactant leaves reaction mixture is termed as

  • A. open system
  • B. closed system
  • C. semi-open system
  • D. partially closed system
  • Correct Answer: Option B