JEE Main 7 Jan 2020 Shift 2 Solved Paper

Section: Chemistry

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Question : 27 of 75

Marks: +1, -0

The redox reaction among the following is :

[7 Jan 2020 Shift 2]

Combination of dinitrogen with dioxygen at 2000 K
Formation of ozone from atmosphereic oxygen in the presence of sunlight
Reaction of H2SO4 with NaOH
Reaction of [Co(H2O)6]Cl3 with AgNO3

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