CÂU 13 1. CVIẾT 1 PTHH 12H22O11 + H2O   T AXITO, C6H12O6 + C6H12O6...

2. - TIET 70 KIEM TRA HOC KY II
TIET 70 KIEM TRA HOC KY II
2. C

6

H

12

O

6

0

0,5đ x 5 =2,5đ   

t

 2C

2

H

5

OH + 2CO

2

mengiam

  CH

3

COOH + H

2

O