passwella.
Menu

WAEC Agricultural Science 2013 Question 10

Question 10

Rocks and Soil Formation

The rock weathering process involving the equation; CaCO3 + H2CO3 → Ca(HCO3)2 is called

  1. A.carbonation.
  2. B.hydration.
  3. C.hydrolysis.
  4. D.oxidation.
Show the answer and explanation

Answer: A (carbonation.)

Explanation

Carbonic acid (H2CO3) reacts with limestone, which is carbonation.