4. Write symbols and balance the following equations a) zinc+ sulphuric acid ----> zinc sulphate+ hydrogen b) copper chloride+ hydrogen sulphide-----> copper sulphide +hydrogen chloride
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Granulated zinc (Zn)reacts with dil sulphuric acid (H2SO4) to produce hydrogen (H2)gas
CaCl2 →CO2 + CaO
CaCl2 →CO2 + CaO
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