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(a) Write the scientific name of slaked lime. (b) What is its role in white wash? (c) What do you mean by slaking of lime? (d) What happens when slaked lime is treated with dry chlorine? |
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Answer» (a) Calcium hydroxide (b) It is disinfectant hence it is used in white wash. (c) Calcium hydroxide is obtained by adding water to quick lime. This process is called slaking of lime. (d) Calcium hydroxide reacts with dry chlorine to form calcium hypochlorite, a constituent of bleaching powder. 2Ca(OH)2 + 2Cl2 → CaCl2 + CaOCl2 + 2H2O |
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