1.

Which of the following is a balance chemical equationa)Ag + HNO3 → AgNO3 + H2O + NO2b) Zn + NaOH → Na2ZnO2 + H2c) CaO + H2O → Ca(OH)2d) CaCO3 + HCl → CaCl2 + H2O + CO2

Answer»

ANSWER:

CAO + H2OCA(OH)2 is balanced



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