_________ is the gradual degradation of iron objects when exposed to air and water.

Rancidity

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Rusting

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Tanning

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Galvanization

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Solution

The correct option is B Rusting
Corrosion is a chemical reaction in which metallic objects reacts with atmospheric moisture and oxygen to form metallic oxides, sulphides, etc. Corrosion of iron articles is called rusting.

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Q. _________ is the gradual degradation of iron objects when exposed to air and water.

Oxygen is an essential gas required for the respiration of all living organisms.

(a) How does oxygen found present in water and soil?

(b) The gradual degradation of iron objects in the presence of the air is known as _____.

(c) Which constituents of air lead to damage of the iron objects?

Iron when exposed to moisture and air, it gradually changes by process of

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_________ is the gradual degradation of iron objects when exposed to air and water.

The correct option is B RustingCorrosion is a chemical reaction in which metallic objects reacts with atmospheric moisture and oxygen to form metallic oxides, sulphides, etc. Corrosion of iron articles is called rusting.

The correct option is B Rusting
Corrosion is a chemical reaction in which metallic objects reacts with atmospheric moisture and oxygen to form metallic oxides, sulphides, etc. Corrosion of iron articles is called rusting.