Question

The necessary condition for rusting is---------

Answer 1

Answer:

the presence of air and water vapor in air

explanation:

This phenomenon takes place in the presence of moisture and air. So, the presence of air and water vapor in air are two necessary conditions for the rusting of iron.

Answer 2

Answer:

THE NECESSITY FOR RUSTING

♤ OXYGEN.

♤ MOISTURE

WHEN THE IRON LEFT CONTACT WITH OXYGEN AND MOISTURE, THE RUSTING TAKE PLACE THERE

TO PREVENT RUSTING ,GALVANIZING IS A BEST WAY

O + H O=RUSTING

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