(1) Gồm 2 giai đoạn:
$(C_{6}$$H_{10}$$O_{5})_{n}$ + $nH_{2}O$ ---axit ---> $nC_{6}$$H_{10}$$O_{6}$
$nC_{6}$$H_{10}$$O_{6}$ ---men rượu---> $2C_{6}$$H_{5}OH$ + $2CO_{2}$↑
(2) $C_{2}$$H_{5}OH$ + $3O_{2}$ ---$t^{0}$---> $2CO_{2}$↑ + $3H_{2}O$
(3) $Ca(OH)_{2}$ + $CO_{2}$ ------> $CaCO_{3}$↓ + $H_{2}O$