#### Which of the following is not a strong acid? 1. [ ] Hydrochloric acid (HCl) 2. [ ] Sulfuric acid (H2SO4) 3. [ ] Nitric acid (HNO3) 4. [x] Acetic acid (CH3COOH) #### Which of the following is a base that is commonly used in the laboratory? 1. [ ] Hydrochloric acid (HCl) 2. [ ] Nitric acid (HNO3) 3. [x] Sodium hydroxide (NaOH) 4. [ ] Hydrochloric acid (HCl) #### Which of the following is a property of a base? 1. [ ] Has a pH less than 7 2. [ ] Has a slippery feel 3. [ ] Tastes sour 4. [x] Has a pH greater than 7 #### Which of the following is a strong base? 1. [x] Sodium hydroxide (NaOH) 2. [ ] Acetic acid (CH3COOH) 3. [ ] Hydrochloric acid (HCl) 4. [ ] Ammonia (NH3) #### Which of the following is a common indicator used to test for acids and bases? 1. [x] Litmus paper 2. [ ] Thermometer 3. [ ] Graduated cylinder 4. [ ] Beaker #### Which of the following is a property of an acid? 1. [x] Has a pH less than 7 2. [ ] Has a slippery feel 3. [ ] Has a sour taste 4. [ ] Has a pH greater than 7 #### Which of the following compounds is an acid? 1. [ ] Potassium carbonate (K2CO3) 2. [x] Hydrochloric acid (HCl) 3. [ ] Sodium hydroxide (NaOH) 4. [ ] Calcium oxide (CaO) #### Which of the following is a property of a base? 1. [ ] Has a pH less than 7 2. [x] Has a pH greater than 7 3. [ ] Has a sour taste 4. [ ] Has a slippery feel #### Which of the following is an acid? 1. [x] Sulfuric acid (H2SO4) 2. [ ] Sodium bicarbonate (NaHCO3) 3. [ ] Calcium carbonate (CaCO3) 4. [ ] Potassium hydroxide (KOH)