Which of the following is a balance chemical equation
a)Ag + HNO3 → AgNO3 + H2O + NO2
b) Zn + NaOH → Na2ZnO2 + H2
c) CaO + H2O → Ca(OH)2
d) CaCO3 + HCl → CaCl2 + H2O + CO2
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Answer:
CaO + H2O → Ca(OH)2 is balanced
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C) Cao+HNO3–>ca(OH)2
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