D 2. C 3. B 4. A 5. A 6. A 7. B 8. B

1. - BAI 1 DAP AN BAI TAP PHAN UNG GOM TOAN CHAT KHI
Hóa học BAI 1 DAP AN BAI TAP PHAN UNG GOM TOAN CHAT KHI

1. D

2. C

3. B

4. A

5. A

6. A

7. B

8. B