Question

Q3-
An iron rim is slightly small thon that of wood wheel-
This iron rim is heated uniformly due to which it
undergoes a change p and con be easily put around the
wooden wheel. When cold water was
poured over hot iro
iron rrim it undergoes another change Qond pits tightly
over the wooden wheel. After considerable a change B
takes place in the iron rim due to which a red brown
coating is formed.
What are P Q and R
identify the reversible changes from the above

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Answer 1

Answer:

1 the blanks with on the basis of the air and foam bags are employed as standard with a few days ago by the way to get the best way to get

Explanation:

Time to get the best way to get the best way to find out more about the welfare of his subjects and I will be able to get the best way to get the best way to get the best way to get the best way get the best way to I

Answer 2

Explanation:

expansion of iron rim i found only this