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The complete combustion of which of the following substances produces carbon dioxide and water?

NO

K2CO3

C8H18

CaHCO3

User Gajus
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2 Answers

1 vote

Answer:The correct answer is C8H18.

Step-by-step explanation:

User John Sheehan
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1 vote

Answer:

C₈H₁₈

Step-by-step explanation:

Octane is an alkane which which is combustible in air.

The combustion of octane C₈H₁₈ in sufficient supply of oxygen produces carbon (IV) Oxide and water only.

Sufficient supply of oxygen ensures there is complete combustion of octane.

2C₈H₁₈ ₍l₎ + 25O₂₍g₎ → 16CO₂₍g₎ + 18H₂O₍l₎

User Rdcrng
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