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प्रश्न
Assertion: The earth¢s magnetic field is due to iron present in its core.
Reason: At a high temperature magnet losses its magnetism.
विकल्प
Assertion is correct, reason is correct; reason is a correct explanation for assertion.
Assertion is correct, reason is correct; reason is not a correct explanation for assertion.
Assertion is correct, reason is incorrect
Assertion is incorrect, reason is correct
MCQ
उत्तर
Assertion is incorrect, reason is correct.
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