Find the hidden term. 2H2+CaCO3andharr; Ca(HSO3)2+ __________ – McqOptions

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1.	Find the hidden term. 2H2+CaCO3andharr; Ca(HSO3)2+ __________
A.	H2O and CO2
B.	H2CO3
C.	H2SO4
D.	HSO4 and CO2
Answer» B. H2CO3

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