C-09-Q026mediumsingle_mcqThe acid generated by the stomach wall to decompose food is—aH2SO4\mathrm{H_2SO_4}H2SO4bHNO3\mathrm{HNO_3}HNO3cHCl\mathrm{HCl}HCldCH3COOH\mathrm{CH_3COOH}CH3COOH