carbon (IV) oxide
copper (ll) oxide
nitrogen (IV) oxide
sulphur (IV) oxide
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The correct answer is:
A. Carbon (IV) oxide
Here's why:
Most electric power stations, especially those that burn fossil fuels (like coal, oil, or natural gas), produce Carbon (IV) oxide (CO₂) as the main oxide.
Let's look at each option:
A. Carbon (IV) oxide (CO₂)
Main gas emitted from burning fossil fuels in power stations.
It's a major greenhouse gas and a key contributor to global warming.
B. Copper (II) oxide (CuO)
Not commonly associated with power stations — copper isn’t part of the fuel and doesn't oxidize significantly in this context.
C. Nitrogen (IV) oxide (NO₂)
Can be formed in small amounts from high-temperature combustion, but not the main oxide.
It's a pollutant and part of NOₓ gases, but not the primary emission.
D. Sulphur (IV) oxide (SO₂)
Produced only if the fuel contains sulfur, such as in coal.
It's a contributor to acid rain, but again, not the primary oxide.
Final Answer: A. Carbon (IV) oxide
d Coret ansa is SO2 dis is Bcos sum Petrol contain elemnt of Sulfur nd Wen dy er combust dy produce Sulfur oxides
