Reason : At a high temperature magnet losses its magnetism
A. Assertion is correct, reason is correct; reason is a correct explanation for assertion.
B. Assertion is correct, reason is correct; reason is not a correct explanation for assertion
C. Assertion is correct, reason is incorrect
D. Assertion is incorrect, reason is correct
Answer:D
Reason : At a high temperature magnet losses its magnetism
A. Assertion is correct, reason is correct; reason is a correct explanation for assertion. B. Assertion is correct, reason is correct; reason is not a correct explanation for assertion C. Assertion is correct, reason is incorrect D. Assertion is incorrect, reason is correct