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Question

Some iron fillings are mixed with sand. We can separate them using magnetic separation method. This method is applicable only when:

A
magnetic substances are mixed up with non-magnetic substances
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B
magnetic substances are mixed up with magnetic substances
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C
magnetic substances are heated beyond their Curie temperatures
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D
two magnetic substances have equal melting points
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Solution

The correct option is A magnetic substances are mixed up with non-magnetic substances

Magnetic separation is a process in which magnetically susceptible material is extracted from a mixture using a magnetic force. This separation technique can be useful in mining iron as it is attracted to a magnet.When magnetic substances are mixed with non-magnetic substances.


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