Antacids are the chemicals that works against the acids that produced in our stomach. Antacids are generally used to treat the excessive acidity of the stomach.
The intake of excessive carbonate base causes the release of gastric acid secretion in the stomach. Hence, the blood pH increases due to the presence of H + ions in the blood.
The characteristic best distinguishes glycolysis and the Krebs cycle from the electron transport chain is the amount of ATP produced . In glycolysis net ATp production is 2 ATP and in 1 Kreb's cycle 38 ATP are produced. Hence option A is correct.