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Subject :NSO    Class : Class 6

Which of the following actions will cause a magnet to lose its magnetic properties?
(i)     Heating
(ii)   Placing inside an insulator
(iii)  Hammering
(iv)   Dropping it from some height

A(i) and (ii) only
B(ii) and (iii) only
C(i) , (ii) and (iv) only
D(i) , (iii) and (iv) only

Ans 1:

Class : Class 7
the answer is d

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