Question

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Answer 1

Explanation:

1) when action of con.of h2so4 on aniline sulphanilic acid is form.)Anisotropy means the ability of crystalline solid to change the physical properties when measured in different direction.

Lanthanoid contraction means decresing size of atoms and ions of the rare element with increasing atomic number of lanthunm.

Answer 2

mil toh gaye answer......Aur Kya chaiye......