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Q.

Which of the following is true about the two statements? 

Statement I : Reactivity of aluminium decreases when it is dipped in nitric acid 27. 

Statement II : A protective layer of aluminium nitrate is formed when aluminium is dipped in nitric acid

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a

Both the statements are correct and II is also the correct explanation of I

b

I is incorrect but II is correct 

c

I is correct but II is incorrect

d

Both the statements arc correct but II is not correct explanation of I

answer is A.

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