3. Rahul left his old bicycle in open for few days during rainy season. He saw deposition of a brown coating on his bicycle. He told his father about the brown coating. What do you think his father must have suggested for preventing the further coating of the brown substance give any two .
Answers
GIVEN
A bicycle has a brown deposite on it during rainy season.
TO FIND :- Its Prevention Method
SOLUTION :-
That Substance is nothing but Rust.
Rust is porus substance that forms due to corosion of Iron.
Damp air contain water molecule and oxygen which makes rusting faster. Hence Chances of rust is more during rainy season due to more humidity.
Equation of the reaction is :-
This is how rust is formed.
SOME STEPS FOR PREVENTING RUSTING :-
1. By applying grease or oil.
2. By painting the iron artice.
3. Applying coating of zinc i.e. Galvanisation.
4 . Protecting the iron article by keeping it in dry place rather than damp area.
* In all the steps the Damp air prevented from coming in contact with Iron article so that no rusting can take place.
》Rahul Father have suggested any two tips from the above.
Answer:
GIVEN
A bicycle has a brown deposite on it during rainy season.
TO FIND :- Its Prevention Method
SOLUTION :-
That Substance is nothing but Rust.
Rust is porus substance that forms due to corosion of Iron.
Damp air contain water molecule and oxygen which makes rusting faster. Hence Chances of rust is more during rainy season due to more humidity.