There are three test tubes containing an iron nail, each at different conditions as shown below:

Calcium chloride is used in test tube (iii) to remove all the water present inside the test tube. In which of the above three test tubes will rusting not take place?

Test tube (i) only

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Both test tube (i) and (ii)

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Test tube (iii) only

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Both test tube (ii) and (iii)

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Solution

The correct option is D Both test tube (ii) and (iii)
Both air and moisture are necessary for rusting to occur.

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There are three test tubes containing an iron nail, each at different conditions as shown below: Calcium chloride is used in test tube (iii) to remove all the water present inside the test tube. In which of the above three test tubes will rusting not take place?

The correct option is D Both test tube (ii) and (iii)Both air and moisture are necessary for rusting to occur.

There are three test tubes containing an iron nail, each at different conditions as shown below:

Calcium chloride is used in test tube (iii) to remove all the water present inside the test tube. In which of the above three test tubes will rusting not take place?

The correct option is D Both test tube (ii) and (iii)
Both air and moisture are necessary for rusting to occur.