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In a sample of H-atoms electrons are de-...

In a sample of H-atoms electrons are de-exicited from `4^(th)` excited state to ground state. Which is/are correct statement ?

A

No corrosion takes place in vaccum

B

Corrosion is protected by electroplating

C

During rusting `Fe_2O_3*xH_2O` formed

D

In presence of electrolyte, corrosion takes place with greater rate

Text Solution

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The correct Answer is:
A, B, C, D
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