A student burns ethanol in air and observes a blue flame. Which statement best explains this observation?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) Impurities in ethanol cause the blue colour of the flame
2. (B) Burning ethanol in air produces a red flame
3. (C) Incomplete combustion due to low oxygen produces a blue flame
4. (D) Complete combustion due to sufficient oxygen supply produces a blue flame

Verified Answer

Option (D): Complete combustion due to sufficient oxygen supply produces a blue flame

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