1992 年
化學 · 共 41 題 · 點擊選項即時核對答案
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41.
For each of the following questions, decide whether each of the two statements is true or false. If both are true, decide whether the second correctly explains the first.
A.Both statements are true and the 2nd statement is a correct explanation of the 1st statement.
B.Both statements are true but the 2nd statement is NOT a correct explanation of the 1st statement.
C.The 1st statement is false but the 2nd statement is true.
D.Both statements are false.
| 1st statement | 2nd statement |
|---|---|
| When concentrated sulphuric acid is poured onto a piece of cotton cloth, the piece of cloth becomes charred. | Concentrated sulphuric acid is a strong oxidizing agent. |