user-avatar
pkpm9001
2 năm trước
Nêu hiện tượng và viết phương trình phản ứng xảy ra cho trường hợp sau : cho từ từ dung dich BaCl2 vào dung dich Na2SO4
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

45. They (put)........................... the fish in the big bag last Sunday? 46. They (eat)............................meat in her meals in Vung Tau yesterday? 47. I(wear) the .........................cap with a dolphin om it yesterday/ 48. Liz (teach)................................. Ba some English last week/ 49. Bad and Tan (remember) .....................their trip to Nha Trang last month? 50. Nam (return) .............................to Ha Noi last week? 51. I (go)............................to Ben Thanh market last Monday 52. He (get)..............................up at 7 o’clock yesterday. 53. What time you (go) .....................to bed last night? 54. She ( not go)..................................to work last weekend. 55. Lan (meet).................................her at the party 3 years ago. 56. Last summer vacation, Mom (not buy).............................me a new buy? 57. When he (leave)............................... for work last week. 58. What you (do)................................. yesterday? 59. We (begin)....................................to learn English 3 years ago. 60. She (be).........................................an engineer last week. 61. Lan (be not)...................................at home yesterday. 62. He (wear) .....................................the shirt last week. 63. They (be ) ................................here yesterday.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team