IJMB Chemistry answers 2021
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(2A)
(ai) Appearance => Black crystal
(aii) it will liberate hydrogen gas
(bi) hydrogen gas evolved
(bii) Chlorine gas evolved which turn damp blue litmus paper red.
(ci) with HNO no ppt., and the with AgNO3 white ppt present
(cii) brown ppt. formed
(ciii) blood-red colouration formed
(civ) Redish brown ppt. formed
