 |  Acids, Bases, and Salts 20 Flashcards |  Start |
 | What gas is produced when zinc reacts with sodium hydroxide? |  Card: 1 / 20 |
| The gas produced is hydrogen (H₂). | Card: 2 / 20 |
| Balanced equation for the reaction of sodium hydroxide with zinc is ___ . | Card: 3 / 20 |
| 2NaOH + Zn → Na₂ZnO₂ + H₂↑ | Card: 4 / 20 |
| True or False: Only amphoteric metals can react with bases. | Card: 5 / 20 |
| True; only amphoteric metals like zinc and aluminum can react with bases to form complex salts. | Card: 6 / 20 |
| Fill in the blank: A higher pH indicates a ___ concentration of H⁺ ions. | Card: 7 / 20 |
| Lower | Card: 8 / 20 |
| Riddle: I am the acid formed when sulfur dioxide dissolves in water, what am I? | Card: 9 / 20 |
| Sulfurous acid (H₂SO₃) | Card: 10 / 20 |
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| What is the effect of acid rain on aquatic life? | Card: 11 / 20 |
| Acid rain lowers the pH of water bodies, harming fish and other aquatic organisms by reducing nutrient availability. | Card: 12 / 20 |
| The substance commonly used as an antacid is ___ . | Card: 13 / 20 |
| Magnesium hydroxide (Mg(OH)₂) | Card: 14 / 20 |
| Complete the sentence: Baking soda is used in cooking because it ___ . | Card: 15 / 20 |
| Releases carbon dioxide when heated, helping cakes and bread rise. | Card: 16 / 20 |
| What happens to lime water when carbon dioxide is bubbled through it? | Card: 17 / 20 |
| It turns milky due to the formation of calcium carbonate (CaCO₃). | Card: 18 / 20 |
| In the chlor-alkali process, sodium hydroxide is produced by the electrolysis of ___ . | Card: 19 / 20 |
| Brine (NaCl solution) | Card: 20 / 20 |
| Completed! Keep practicing to master all of them. |  Restart |
