Assertion :Lead zirconate is piezoelectric solid. Reason: Lead zirconate crystals have no dipole moment.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Lead Zirconate $(P Z T)$ is one of the world's most used ceramic material
When fired, $P Z T$ has a perovskite crystal structure.

Lead Zirconate have no dipole moment but when put under a mechanical stress a net dipole moment is formed which is a property of piezoelectric material.

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