問題 : Which of the following would occur if a few drops of water are added to a breaker of conc.sulphuric acid?
(1) A great amount of heat is liberated
(2) Water will change into steam
(3) Conc. sulphuric acid will spurt out
A. (1) and (2)
B. (1) and (3)
C. (2) and (3)
D. (1) , (2) and (3)
答案是d, 為何不是b?
為何(2)是對?
有問題關於conc. sulphuric acid
2008-02-15 2:24 am
回答 (1)
2008-02-15 2:33 am
✔ 最佳答案
since only a few drops of water are added , the amount of heat produced is sufficient to change water into steam. so (2) is also correct. so the answer is D
收錄日期: 2021-04-29 20:23:41
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