Multiple choice general knowledge science & technology

Natural gas is used for heating because it is very clean, has high heat content, and what flame temperature?

  1. slow

  2. fast

  3. high

  4. low
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Natural gas is preferred for heating because it burns cleanly, has high energy density, and produces a high-temperature flame. The high flame temperature makes it efficient for heating applications. 'Slow' and 'fast' are not standard descriptors for flame temperature - the quality is high or low temperature.

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