<prompt> Antacid combination of magnesium and aluminium hydroxide are superior because:Rapid and sustained acid neutralizing propertyLess effect on gastric emptyingLikely to alter bowel movementAll of the above  <response>: Ans. D. All of the aboveMagnesium is rapid and aluminium act for long period of time. Magnesium salt causes osmotic diarrhea and aluminium salts causes constipation. 