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Q.

Select all the necessary conditions for combustion: 

I. Presence of air 

II. Presence of fuel 

III. Presence of oxygen 

IV. Presence of carbon dioxide 

V. Presence of candle 

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a

I, III, and IV only

b

I, and III only

c

I, II, and III only 

d

II, IV, and V only

answer is A.

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Detailed Solution

The necessary conditions for combustion are 

I. Presence of air 

II. Presence of fuel 

III. Presence of oxygen 

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