Advertisements
Advertisements
Question
A piece of iron is heated till it becomes red-hot. it then becomes soft and is beaten to a desired shape. What kind of changes are observed in this process-reversible or irreversible?
Advertisements
Solution
A piece of iron on heating can be beaten into desired shape. It is a reversible change because the object of desired shape can be again heated and beated to give the original shape.
APPEARS IN
RELATED QUESTIONS
Very Short Answer Type Question:
Can you say deforestation is an irreversible or reversible change?
A stretched rubber band comes back to normal shape. It is an example for ________.
Magnet attracts iron needle.This is ______ change.
A drawing sheet changes when you draw a picture on it. Can you reverse this change?
Which is reversible change?
Salt can be separated from its solution (salt dissolved in water), because ______.
Can we reverse the following change? If yes, suggest the name of the method.
Ice into water
Change of a bud into a flower is a change which cannot be reversed. Give four more such example.
Select the odd one out. Give reason for your the choice
Choose the odd one out. Give reason for your choice.
