write balance chemical eq
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1) 2NaOH + Zn ------> Na2ZnO2 + H2
( Zincate)
2) Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2
3) Egg shells are calcium carbonate ( CaCO3 ). The reaction with HCl is as follows:
CaCO3 + 2HCl -----> CaCl2 + CO2+ H2O
4) CuO + 2 HCl --> H2O + CuCl2
hope it helps:)
( Zincate)
2) Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2
3) Egg shells are calcium carbonate ( CaCO3 ). The reaction with HCl is as follows:
CaCO3 + 2HCl -----> CaCl2 + CO2+ H2O
4) CuO + 2 HCl --> H2O + CuCl2
hope it helps:)
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