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

Tamilnadu BoardEnglish MediumSTD 7ScienceT3 CH4 Chemistry in Daily Life1 Mark
MCQ
All combustion reactions are
  • A
    endothermic
  • ✓
    exothermic
  • C
    both a and b
  • D
    None of these
✓

Answer

Correct option: B.
exothermic

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