L
lovelvi


1 tai sao KHCO3 khong bi nhiet phan?
2 MgCO3 VA CaCO3 nhan biet?
A. H2SO4 B. HCL C NaBr D CO2 + H2O
3. NaOH ran lam lam kho duoc nhung khi nao? viet pt giai thik jum minh nha
4. tuong tu H2SO4...................
2 MgCO3 VA CaCO3 nhan biet?
A. H2SO4 B. HCL C NaBr D CO2 + H2O
3. NaOH ran lam lam kho duoc nhung khi nao? viet pt giai thik jum minh nha
4. tuong tu H2SO4...................