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.
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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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