Question

Take few iron nails and store some of them in an air tight container having silica gel. Leave the rest of the iron nails in a test tube and place them outside in the rainy weather. Observe the iron nails after a week. a. What will happen to the nails placed in the air tight container and in the test tube? b. Which way would you prefer to keep iron nails?

Answer 1

Answer:

the results that moisture is a key element in rust formation

Explanation:

This experiment should have been suggested for you to observe the key role of moisture in corrosion.

Of course you should keep iron nails in an air tight container

Answer 2

Answer:

a- The nails placed in the air tight container having silica gel will not have any effect,it Will remain as it is.

But in the other test tube the iron nails will form a brittle layer of ferric oxide or rust,the action of air and moisture on the iron nail made it rust.

Here's a equation for better understanding

Fe+O2+H2O=Fe2O3 (Ferric oxide)

(Iron)

(Oxygen) (Water)

Explanation:

b-It's up to u what would you prefer.

The best technique is with the air tight container.

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