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What happens to the nail in test tube A? test tube B? and test tube C?​

Sagot :

Answer:

Answer. because rusting occurs both due to water and oxygen. in test tube a it is covered by oil hence oxygen cannot reach the nail so it won't get rusted. in test tube c anhydrous calcium chloride is present which absorbs the moistness hence oxygen alone cannot rust the nail.                                  

Explanation: