Which type of reaction occurs when two or more substances combine to form a single product?

Options

  • A. Decomposition reaction
  • B. Combination reaction
  • C. Displacement reaction
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. Combination reaction

Detailed Explanation

A combination reaction occurs when two or more reactants combine to form a single product. For example, calcium oxide reacts with water to form calcium hydroxide. The general form is A + B → AB. Other important reaction types for competitive examinations include decomposition, displacement, double displacement and redox reactions.