`Cu``+``4HNO_3``→``Cu(NO_3)_2``+``2NO_2↑``+``2H_2O`
Đáp án:
Cu + 4HNO3 → Cu(NO3)2 + 2NO2 + 2H2O
cho mình hỏi là take up và start( a hobby,sport,etc) đồng nghĩa hay trái nghĩa ạ
Choose the best answer.
We are looking for ____ place to spend ____ night.
Please turn off ___ lights when you leave ___ room.
I like _____ colorful costumes of ____ ethnic minority people in Vietnam.