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phamchuong10
2 năm trước
Cho hoàn toàn m(g) iron vào 200g dung dịch hydrochloric acid 7,3%. sau phản ứng thu được dung dịch A và V lít khí B(dkt ) a) Tính m, V b) Tính nồng độ % dung dịch A
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Part 1. Read the following passage and fill in each blank with ONE suitable word (1,0 pt) Terraced rice fields are (11) ……….. in the northern mountainous provinces. Due to the steep feature, fertile soil thanks to it was created by weathered granite rock and mountain cliffs often stock water, local (12) …………minority people can grow rice and establish terraced rice fields, one after another, from the (13) ………. to nearly top of mountains. Generations to generations of these people have made terraced rice fields as we see today. When being seen from afar, the terraced rice fields look like a (14) …………. of nature with heart- catching beauty keeping tourists to stay for admiration for a while. This picture however has its colour changed seasonally, exhibiting its most alluring charm when the new crop begins, green rice grows and the field is lush with ripening rice.

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