Find the word which has the underlined part pronounced differently from the othersA.coastalB.mountainC.closedD.hometown
Find the word which has the underlined part pronounced differently from the othersA.hopingB.congestionC.populationD.production
Find the word which has the underlined part pronounced differently from the othersA.designB.prestigiousC.citizenD.discrimination
Find the word which has the underlined part pronounced differently from the othersA.high-payingB.sanitationC.mindsetD.rise
Find the word which has the underlined part pronounced differently from the othersA.populationB.post-officeC.slowerD.road
Sản phẩm của phản ứng nhiệt phân muối amoni clorua làA.$ { N _ 2 },HCl $.B.$ N{ H _ 3 },HCl $.C.$ N{ H _ 3 },C{ l _ 2 } $.D.$ { N _ 2 },C{ l _ 2 },{ H _ 2 }O $.
Muối amoni chứa gốc của axit không có tính oxi hóa khi đun nóng, bị phân hủy thành:A. $ HN{ O _ 3 } $ B. $ { H _ 2 }O $ C. $ N{ H _ 3 } $ D. $ { N _ 2 } $ hoặc oxit của nitơ
Trong thực tế, để làm xốp bánh người ta sử dụng muối amoni nào sau đây?A.$ N{ H _ 4 }HC{ O _ 3 } $.B.$ {{(N{ H _ 4 })}_ 2 }C{ r _ 2 }{ O _ 7 } $.C.$ {{\left( N{ H _ 4 } \right)}_ 2 }SO _ 4 $.D.$ N{ H _ 4 }Cl $.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.The only _______________ place in this place is the Ancient Town, so don’t forget to visit it when you are here.A.historyB.historianC.historicalD.long-lasting
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.Singapore is the first on the list of most ________ cities in the Southeast Asia.A.affordableB.livableC.populousD.polluted
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