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in Changes Around Us by (54.5k points)
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The reaction of H2 gas with oxygen gas to form water is an example of – 

(a) Combination 

(b) Redox reaction 

(c) Exothermic reaction 

(d) All of these

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2 Answers

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by (52.2k points)

(d) All of these

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It should be option d as it is obvious that there is occurence of combination reaction then we see the reduction nd oxidation processes r occuring simultaneously , then since this is a covalent bond(two non metals), hence reaction is highly exothermic..

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