Q.

Match the processes given in Column I with their combustion type given in Column II and choose the correct answer using the codes given below.

Column IColumn II
(A)Burning of candleiExplosion 
(B)Burning of phosphorusiiSlow combustion
(C)Burning of LPGiiiIncomplete combustion
(D)Burning of crackersivSpontaneous combustion
  vRapid combustion
 ABCD
1iiiiiivi
2iiiviiii
3iiivvi
4iiiviv

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a

2

b

1

c

3

d

4

answer is C.

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Detailed Solution

Rapid combustion-when a substance Bursts in a short span of time Spontaneous-combustion-when substance catches fire as soon as its temperature reaches the 
ignition temperature. Explosion – A very fast combustion reaction in which a large amount of heat, light and sound are produced is called explosive combustion.

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Match the processes given in Column I with their combustion type given in Column II and choose the correct answer using the codes given below.Column IColumn II(A)Burning of candleiExplosion (B)Burning of phosphorusiiSlow combustion(C)Burning of LPGiiiIncomplete combustion(D)Burning of crackersivSpontaneous combustion  vRapid combustion ABCD1iiiiiivi2iiiviiii3iiivvi4iiiviv