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Changes Around Us: Physical and Chemical — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceChanges Around Us: Physical and Chemical1 Mark
Question
List conditions under which combustion can take place.
✓

Answer

Conditions necessary for combustion are:
1. Presence of a combustible substance.
2. Attainment of ignition temperature.
3. Proper supply of air to provide oxygen.

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