1. If _______ ions are found in a solution, the solution is basic in nature.   hydronium   hydroxyl   hydrogen   Hint Half-n-half Clue   2. _______ hydroxide is also known as 'Caustic Soda'.   Magnesium   Potassium   Calcium   Sodium   Half-n-half Clue   3. Which of the following salts is insoluble in water?   Potassium phosphate   Barium chloride   Zinc sulfide   Ammonium carbonate   Half-n-half Clue   4. Milk contains _______ acid.   boric   oxalic   citric   lactic   Half-n-half Clue   5. If hydronium ions are found in a solution, the solution is _______ in nature.   basic   acidic   neutral   Half-n-half Clue   6. Acids are bitter in taste.   True   False   7. Antacids produced in the stomach chiefly contain two bases, namely _______ hydroxide and Aluminum hydroxide.   Magnesium   Potassium   Calcium   Sodium   Half-n-half Clue