1. _______ acid is responsible for the 'fizz' in soft drinks.   Acetic   Carbonic   Citric   Oxalic   Hint Half-n-half Clue   2. Which of the following is known as a 'proton donor'?   salt   water   base   acid   Half-n-half Clue   3. A base is known as a 'proton _______'.   acceptor   donor   4. If _______ ions are found in a solution, the solution is basic in nature.   hydrogen   hydronium   hydroxyl   Half-n-half Clue   5. _______ acid is used in the manufacture of many car batteries.   Nitric   Phosphoric   Hydrochloric   Sulfuric   Half-n-half Clue   6. _______ hydroxide is also known as 'Caustic Potash'.   Potassium   Calcium   Magnesium   Sodium   Half-n-half Clue   7. _______ acid is the chemical name of Vitamin C.   Tartaric   Boric   Ascorbic   Oxalic   Half-n-half Clue