C

1.This weather is not good for a camping holiday.

2.Nam's mother needs some vegetable and a half kilo of tomato.

3.What want do you want to buy,Mum?

4.Ha's sister is listening to music in the room at the moment.

5.Miss Thuy is washing her hair because she going to the party tonight.

6.He doesn't have much time to write to his friend.

7.There is a small park in front of Linh's house.

8.Our apartmant has four rooms on the seventh floor.

9.Tan washes his face and has breakfast at 7 o'clock every morning.

10.Sister has a bike and she cycles to work every day.

Vị vua nào đã ủng hộ cuộc vận động Duy tân ở Trung Quốc

A. Khang Hi

B. Càn Long

C. Quang Tự

D.Vĩnh Khang

Dãy các hợp chất tác dụng được với dung dịch HCl vào dung dịch NaOH là

A. Zn(OH)₂, Al₂O₃, Na₂CO₃

B. Al₂O₃, ZnO, NaHCO₃

C. AlCl₃, Al₂O₃, Al(OH)₂

D. ZnO, Zn(OH)₂, NH₄Cl

Phương trình phản ứng nào sau đây đúng?

A. BaSO₄ + 2HCl → BaCl₂ + H₂SO₄

B. Ca(HCO₃)₂ + Na₃PO₄ → Ca₃(PO₄)₂ + NaHCO₃

C. Al + H₂O + NaOH → Al(OH)₃

D. 2Na + CuSO₄ → Na₂SO₄ + Cu