Question

(b) Give reasons for the following
(i) The physical properties of isotopes are different.
(ii) Conc. sulphuric acid is used as a dehydrating agent.
(iii) AlCl3 is known as Aluminium chloride while PC1z is known as phosphorus trichloride.
(iv) Hydrogen is kept in I A group of the periodic table.
(v) Table salt absorbs moisture during the rainy season.​

Answer 1

Answer:

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