1. _______ is used in the manufacture of fertilizers.   Copper nitrate   Sodium nitrate   Lead nitrate   Ammonium nitrate   Hint Half-n-half Clue   2. Aqua Regia contains concentrated Nitric acid and concentrated Hydrochloric acid in the ratio 1:3.   True   False   3. _______ acid is also known as 'Oil of Vitriol'.   Hydroiodic   Sulfuric   Nitric   Hydrochloric   Half-n-half Clue   4. _______ acid is the chemical name of Vitamin C.   Oxalic   Boric   Ascorbic   Tartaric   Half-n-half Clue   5. _______ acid is responsible for the 'fizz' in soft drinks.   Carbonic   Citric   Acetic   Oxalic   Half-n-half Clue   6. The reaction of an acid with a base is called a neutralization reaction.   True   False   7. _______ is a basic gas which is used in the manufacture of fertilizers such as Urea.   Nitrogen   Ammonia   Chlorine   Oxygen   Half-n-half Clue