Question

Formation of slaked lime by the reaction of calcium oxide with water is an example of ?

• A. displacement reaction
• B. combination reaction
• C. endothermic reaction
• D. decomposition reaction

Answer 1

Answer:

B. combination reaction

• The formation of slaked lime (calcium hydroxide) from the reaction of calcium oxide (quicklime) with water is an example of an exothermic combination reaction.

• In this process, two or more reactants combine to form a single product, and energy is released in the form of heat.