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T3 CH4 Chemistry in Daily Life — Science STD 7 — Question

Tamilnadu BoardEnglish MediumSTD 7ScienceT3 CH4 Chemistry in Daily Life2 Marks
Question
Write a note on flame.
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Answer

  1. Flame is actually a chemical reaction.
  2. To be specific, the flame is a mixture of gases (vaporized fuel, oxygen, carbon dioxide, carbon monoxide, water vapor, and many volatile materials) and so is matter.
  3. The light and heat produced by the flame is energy, not matter. But fire is a matter.

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