... khí NO duy nhất. Thể tích khí NO thoát ra ở đktc là (lít):
a. 0 ,74 7 b. 1 ,74 6 c. 0,323 d. 1,494 e. Kết quả khác
Câu 18: Khi cho 17, 40 gam hổn hợp Y gồm Fe, Cu, Al phản ứng hết với dd H
2
SO
4
...
$"35"&$$".0"'""6'!,&1 !78 379 35$*4':&0"'& ; < !/=","#">!'!&'3.
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@/...
... night
………………………………………………………………………………………………………
7. The girl received a lot of birthday presents. She was having a party
………………………………………………………………………………………………………
7
1. She makes a dress everyday
………………………………………………………………………………………………………
2. ... …………………………………………………………………………………
7. “ I always remember three words: reduce, reuse and recycle ”.
Mrs Lien said Mr Ha……………………………………………………………………………
3. Câu t...
... months ago.
71 .Who (do) this exercise?
72 .She (accept) our offer yesterday.
73 .Minh (study) very hard last year, but this year he (do) so.
74 .She usually (have) her break fast early.
75 .He (not ...
76 .Where (be) she from? She (be) from Malaysia.
77 .I (get) a packet this morning, when I (open) it, I (find) a big doll.
78 .While I (go) to work this morning, I (meet) some old frie...