Answers

2014-09-21T15:54:58+05:30
Non- Reversible changes= Changes which cannot be reversed are called non- reversible changes. It is also called chemical changes. For example Burning of thread.
Reversible changes= Changes which can be reversed are called reversible changes. It is also called physical changes. For example melting of ice.
IN THIS PROCESS , FIBERS FROM A MASS OF COTTON WOOL ARE DRAWN OUT AND TWISTED THIS BRINGS THE FIBER TOGETHER TO FORM A YARN.
The process is called spinning.
0
plzzzz say the process name of yarn from fiber.
it is called spinning.
2014-09-21T19:30:02+05:30
Reversible change:-
1)These changes can be reversed.
2)These are mostly physical changes.
3)This can be done in both directions.
Irreversible change:-
1)This changes cannot be reversed.
2)these are mostly chemical changes.
3)these can be done in one direction only.


IN THIS PROCESS , FIBERS FROM A MASS OF COTTON WOOL ARE DRAWN OUT AND TWISTED THIS BRINGS THE FIBER TOGETHER TO FORM A YARN.
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the process is called spinning fiber into yarn.