Which one of the following statements regarding digestion and absorption of food in the alimentary canal of man is true?

About 30% of starch is hydrolysed into glucose in the buccal cavity.

Peptic or chief cells secrete intrinsic factor which is essential for the absorption of vitamin B₁₂.

From the small intestine, chloride ions are absorbed into the blood actively whereas sodium ions are absorbed passively.

Absorption of water, some minerals, and certain drugs takes place in the large intestine.