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Which of the following statements regarding heavy water are correct?1. It is extensively used as a moderator in nuclear reactors2. It cannot be used in exchange reaction to study reaction mechanism3. Viscosity of heavy water is relatively smaller than that of ordinary water4. The dielectric constant of heavy water is smaller than that of ordinary water Select the correct answer using the code given below:

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Which of the following statements regarding heavy water are correct?<br />1. It is extensively used as a moderator in nuclear reactors<br />2. It cannot be used in exchange reaction to study reaction mechanism<br />3. Viscosity of heavy water is relatively smaller than that of ordinary water<br />4. The dielectric constant of heavy water is smaller than that of ordinary water Select the correct answer using the code given below:






 
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