When chlorination of dry slaked lime takes place, ________ will form as the main product.

When dry slaked lime (calcium hydroxide) reacts with chlorine, calcium oxychloride (bleaching powder) is formed as the main product. The chemical reaction is: Ca(OH)2(s) + Cl2(g) → CaOCl2 + H2O. Calcium oxychloride is widely used for disinfecting drinking water, bleaching textiles and paper, and as an oxidizing agent in various industries.