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With the reference to four gases CO2,CO, Cl2 and O2, which one of the options in the table is correct?
| Option |
Acidic oxide |
Used in treatment of water |
Product of respiration |
Product of incomplete combustion |
| (a) | CO | Cl 2 | O 2 | CO |
| (b) | CO 2 | Cl 2 | CO 2 | CO |
| (c) | CO 2 | O 2 | O 2 | CO 2 |
| (d) | CO | O 2 | CO 2 | CO 2 |
Answer:
-
Oxides that produce
acids
when added to water are
Acidic Oxides
.
- Carbon Monoxide (CO) is a Neutral Oxide .
- Carbon Dioxide is an Acidic Oxide and produces Carbonic Acid ( H 2 CO 3 ) when added to water.
- Cl 2 is used in the treatment of water.
- Respiration is a biological process that produces energy in an organism. It uses O 2 as a reactant and gives CO 2 as a product.
- Incomplete combustion produces Carbon monoxide (CO) as a result.
Therefore, the correct answer is (b) CO 2 , Cl 2 , CO 2 , CO
