1) Which of the following are properties of HCl?
(a) tastes sour
(b) releases carbon dioxide from carbonates
(c) feels slippery
(d) precipitates many metal ions
(e) turns red litmus paper blue
2) Which of the following statements is true?
(a) Lemon juice is a common household acid that contains citric acid.
(b) NaOH and KOH work well as antacids because they neutralize your stomach acid and aid in the digestion of food.
(c) The acid in your stomach is perchloric acid and has roughly a pH = 3.
(d) A typical dishwashing detergent is 37.5% sodium metasilicate.
(e) All of the above are true.
3) Which of the following are properties of H2SO4?
(a) dissolves metals
(b) tastes bitter
(c) turns phenolphthalein pink
(d) turns blue litmus paper red
(e) increases the concentration of hydroxide ions
4) Which of the following are properties of H2CO3?
(a) turns blue litmus paper red
(b) releases CO2 from carbonates
(c) tastes sour
(d) feels slippery
(e) causes phenolphthalein to turn pink
5) Which of the following statements is true?
(a) Household cleaners containing basic solutions are more dangerous than those containing acidic solutions.
(b) Ordinary bleach is not available in several European countries due to its toxic properties.
(c) When baking cookies and cakes, baking soda is used to produce pockets of CO2 gas and makes these baked goods rise.
(d) NaOH and KOH are not used as antacids, because they would neutralize too much of your stomach acid and interfere in the digestion of food.
(e) All of the above are true.
6) Which of the following are properties of Ca(OH)2?
(a) tastes sour
(b) makes phenolphthalein turn pink
(c) feels slippery
(d) dissolves metals
(e) increases the concentration of hydrogen ions
7) Which of the following statements is true?
(a) NaOH and KOH work well as antacids because they neutralize your stomach acid and aid in the digestion of food.
(b) When gardeners apply CaO to soil, CaO, unlike NaHSO4, does not change the pH of the soil.
(c) When baking cookies and cakes, NaHCO3 is used to produce pockets of O2 gas and makes these baked goods rise.
(d) Household cleaners containing basic solutions are more dangerous than those containing acidic solutions.
(e) All of the above are true.
8) Which of the following are properties of ammonia?
(a) makes phenolphthalein turn colorless
(b) releases CO2 from carbonates
(c) makes red litmus paper turn blue
(d) precipitates many metal ions
(e) increases the concentration of hydrogen ions
9) Which of the following statements is true?
(a) If you get an acidic or basic household cleaner on your skin you should wash it with running water for at least 15 minutes.
(b) Ordinary bleach contains sodium hydroxide.
(c) Lemon juice is a common household acid which contains acetic acid.
(d) A typical dishwashing detergent is 37.5% sodium metasilicate.
(e) All of the above are true.
10) Which of the following are properties of HClO4?
(a) causes phenolphthalein to turn colorless
(b) tastes bitter
(c) turns red litmus paper blue
(d) dissolves metals
(e) increases the concentration of hydrogen ions