Corrugated iron sheets are coated with a greyish substance to prevent

1.	Corrugated iron sheets are coated with a greyish substance to prevent them from rusting.a)Name the substance.b)Name the process.c)Make a scratch on such a sheet , observe it after a few weeks .what do you expect?
Answer» Answer: a) Zinc b) Galvanisation IRON when comes in contact with moist AIR it reacts with it to form a brown POWDER rust. Rust damages the iron. THUS, to prevent the RUSTING of the iron they are coated with zinc.

Corrugated iron sheets are coated with a greyish substance to prevent them from rusting.a)Name the substance.b)Name the process.c)Make a scratch on such a sheet , observe it after a few weeks .what do you expect?

Answer»

Answer:

a) Zinc

b) Galvanisation

IRON when comes in contact with moist AIR it reacts with it to form a brown POWDER rust. Rust damages the iron. THUS, to prevent the RUSTING of the iron they are coated with zinc.

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Corrugated iron sheets are coated with a greyish substance to prevent them from rusting.a)Name the substance.b)Name the process.c)Make a scratch on such a sheet , observe it after a few weeks .what do you expect?​

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Corrugated iron sheets are coated with a greyish substance to prevent them from rusting.a)Name the substance.b)Name the process.c)Make a scratch on such a sheet , observe it after a few weeks .what do you expect?