Question Detail
Question
Magnesium hydroxide is mentioned as being used as an antacid in indigestion tablets. What property makes it suitable for this use?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 7 states, 'Mg(OH)₂ is weakly basic, this is why it is used as an antacid in indigestion tablets 'milk of magnesia'.' A strong base would be too corrosive for internal use.
Hint
Antacids are designed to neutralize stomach acid without being too aggressive.