KCl+H2s
CaS+HNO3
CaCl2+H2S
2KCl+H2S=K2S+2HCl
CaS+2HNO3=Ca(NO3)2+H2S
CaCl2+H2S=CaS+2HCl
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Answers & Comments
2KCl+H2S=K2S+2HCl
CaS+2HNO3=Ca(NO3)2+H2S
CaCl2+H2S=CaS+2HCl