(b) When calcium carbonate reacts with nitric acid a gas is made. Write down the name of this gas.
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Jawaban:
calsium carbonate = kalsium karbonat = CaCO3
nitric acid = asam nitrit = HNO2
CaCO3+HNO2 >>>> Ca(NO2)2 + H2CO3
Ca(NO2)2 = calsium nitric = kalsium nitrit
H2CO3 = carbonate acid = asam karbonat