Which of the following statements is/are corr | vedclass

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(D) $1$. $D_2O$ (deuterium oxide) has a higher molecular mass $(20 \ g/mol)$ compared to $H_2O$ $(18 \ g/mol)$. Consequently,at the same temperature,$

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Both $A$ and $B$.

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(D) $1$. $D_2O$ (deuterium oxide) has a higher molecular mass $(20 \ g/mol)$ compared to $H_2O$ $(18 \ g/mol)$. Consequently,at the same temperature,$D_2O$ exhibits a higher density than $H_2O$.$2$. The temperature of maximum density for $H_2O$ is $4 \ ^\circ C$ $(277 \ K)$,whereas for $D_2O$,it is $11.6 \ ^\circ C$ $(284.6 \ K)$. Thus,the temperature of maximum density is higher for $D_2O$.$3$. Regarding viscosity,$D_2O$ is actually more viscous than $H_2O$ at the same temperature due to stronger hydrogen bonding in $D_2O$.$4$. Therefore,both statements $A$ and $B$ are correct.

Which of the following statements is/are correct?

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