CBSE Class 10 Science 2020 · Paper 31/3/1 · Question 16(b)
During electrolysis of brine, a gas ‘G’ is liberated at anode. When this gas ‘G’ is passed through slaked lime, a compound ‘C’ is formed, which is used for disinfecting drinking water.
- (i)Write formula of ‘G’ and ‘C’.
- (ii)State the chemical equation involved.
- (iii)What is common name of compound ‘C’ ? Give its chemical name.
Answer
G is chlorine, , and C is bleaching powder (calcium oxychloride), , formed from chlorine and slaked lime.
(i) G = (chlorine gas); C = .
(ii)
(iii) Common name: bleaching powder; chemical name: calcium oxychloride.
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