question 2
Statements given below are incorrect. Write the correct statements:
i) Gases have negligible intermolecular space.
ii) A clinical thermometer should be sterilized in boiling water.
iii)Force of friction produces light energy.
iv)A kitchen knife is an example of an inclined plane.
v)Copper metal is used for making coins and hence is a magnetic substance.
vi) When current flows around a soft iron, it changes into permanent magnet .
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Answer:
1)NGASES HAVE MAXIMUM INTERMOLECULAR SPACE.
2) A CLINICAL THERMOMETER SHOULD NOT BE STERILIZED IN BOILING WATER.
3) FORCE OF FRICTION PRODUCES HEAT ENERGY.
4)A KITCHEN KNIFE IS AN EXAMPLE OF LEVER.
5) NICKEL IS USED FOR MAKING COINS AND HECE IS A MAGNETIC SUBSTANCE.
6) WHEN CURREN FLOWS AROUND A SOFT IRON, IT CHANGES INTO A TEMPORARY MAGNET.
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