Why was stearin used in candles?
Câu hỏi: Why was stearin used in candles?
A. It created a more colorful flame than tallow.
B. It covered up unpleasant smells in the air.
C. It was used to get rid of fat in the candles.
D. It helped make candles burn longer.
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG năm 2018 môn Tiếng Anh THPT Chuyên Long An