MPSC PYQ

MPSC Rajyaseva 2018 GS Paper 1 — Question 53

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___________ ह्यामुळे गंजण्याची क्रिया होते. / Corrosion takes place as a result of

1)फक्त भौतिक अभिक्रिया / Only physical reactions
2)फक्त रासायनिक अभिक्रिया / Only chemical reactions✓ Correct
3)दोनों (1) व (2) / Both (1) and (2)
4)कोणतीही नाही / None of the above

Corrosion, such as the rusting of iron, involves a chemical change where metals react with atmospheric oxygen, moisture, and acids to form new chemical compounds like metal oxides.