JEE Main Chemistry question

Which of the following is a chemical bond-forming process?

(A)Stretching rubber
(B)Dissolution of sugar in water
(C)Rusting of ironCorrect
(D)Emission of -rays by radioactive iron

Answer: (C)

Solution

Rusting of iron (4Fe+3O_2+2xH_2O\rightarrow2Fe_2O_3\cdot xH_2O) is a chemical reaction in which new Fe–O chemical bonds are formed. Stretching rubber and

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Question ID VK-156534