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Which of the following conditions is necessary for combustion : (A) Presence of a combustible substance (B) Presence of oxygen (C) Heating the combustible substance to its ignition temperature (D) All the above |
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Answer» Correct option (D) All the above Explanation: All the three conditions are Necessary for combustion that are like : 1. Presence of combustible substance 2. Presence of oxygen 3. Heating the combustible substance to its ignition temperature |
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