A. Suphur (IV) oxide
B. Ammonium suphate
C. Calcium carbonate
D. Potassium hydroxide
Correct Answer: Option C
C. Calcium carbonate
A. Suphur (IV) oxide
B. Ammonium suphate
C. Calcium carbonate
D. Potassium hydroxide
Correct Answer: Option C
C. Calcium carbonate
Copyright warnings! Do not copy.