Reeta puts two different objects in each of the following containers.
Container (i) : Copper coin and iron nail
Container (ii) : Steel nail and aluminium earring
Container (iii) : Marble and gold coin
Container (iv) : Nickel coin and steel nail
She can use a magnet to separate the objects in containers
A (i) and (ii)
B (i), (ii) and (iii)
C (i), (ii) and (iv)
D (i), (ii), (iii) and (iv).
Ans 1:
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Ans 2:
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Ans 3:
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Class : Class 9
But...Iron, nickel and copper r magnetic, and both steel and aluminium r non-magnetic. Then why option A is correct ans???
Ans 5:
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Class : Class 9
In the first and second option, the magnetic materials are iron nail and steel nail respectively. In the third option all are non magnetic. In fourth option, both are magnetic materials.
Therefore Ans:- A (i) and (ii)
Ans 6:
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Class : Class 5
answer is c nickel coin is also a magnetic substance but steel is a non magnetic substance