| 1. | When an acid (H+) is added to alkali (OH-), product is |
| a. | hydroxides |
| b. | water |
| c. | salts |
| d. | hydrogen gas |
| View Answer Report Discuss 50-50! |
|
Answer: (c).salts
|
| 2. | K₂O + H₂O → |
| a. | K(OH)₃ |
| b. | KOH |
| c. | KOH.H₂O |
| d. | KO + H₂ + O₂ |
| View Answer Report Discuss 50-50! |
|
Answer: (b).KOH
|
| 3. | Mineral acids are |
| a. | naturally occurring |
| b. | man made |
| c. | include malic acid |
| d. | include formic acid |
| View Answer Report Discuss 50-50! |
|
Answer: (a).naturally occurring
|
| 4. | Excess acidity caused by acid rain can be neutralized by adding |
| a. | more fertilizers |
| b. | by removing the acidified soil |
| c. | by adding P₂O₅ |
| d. | by adding lime |
| View Answer Report Discuss 50-50! |
|
Answer: (d).by adding lime
|
| 5. | More corrosive acid is |
| a. | H₂CO₃ |
| b. | H₂SO₃ |
| c. | HNO₃ |
| d. | C₆H₈O₇ |
| View Answer Report Discuss 50-50! |
|
Answer: (c).HNO₃
|