30. The Haber process _____________________ (A) is used to produce nitric acid. (B) is used to produce sulfuric acid. (C) is used to produce ammonia. (D) is used to produce urea. (E) None of the above.

【已刪除】複選題31. As the figure shows, a stone was thrown on the roof of height h=10 m from the throw. After 6 seconds, the stone fell on the roof at a horizontal distance d from the throw. The angle between the final flight path of the stone and the roof is θ= 60° . Then, the horizontal distance d it travels is: (A) 166.5 m (B) 333.0 m (C) 144.2 m (D) 288.4 m (E) 55.5 m

30. The Haber process _____________________ (A) is used to produce nitric acid. (B) is used to produce sulfuric acid. (C) is used to produce ammonia. (D) is used to produce urea. (E) None of the above.

其他試題

30. The Haber process _____________________
(A) is used to produce nitric acid.
(B) is used to produce sulfuric acid.
(C) is used to produce ammonia.
(D) is used to produce urea.
(E) None of the above.