Aniline-water mixture can be separated by

For the reaction sequence given below, the correct statement$(s)$ is$($are$)$
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$($In the options, $X$ is any atom other than carbon and hydrogen, and it is different in $P , Q$ and $R )$

In the visible region,the dispersive powers and the mean angular deviations for crown and flint glass prisms are $\omega, \omega'$ and $d, d'$ respectively. The condition for getting deviation without dispersion when the two prisms are combined is

What is the first step in the Southern Blotting technique?

The structure of $H_2O_2$ is

Rutherford’s scattering experiment is related to the size of the