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可能用到的相对原子质量:H一IC一理N一140一16Na一23Fe一56 Zn一65 Ag一108 一、选择题每小题只有一个正确选项,请将其序号填在题后的括号内。水11一2。小题·每题2分。本题井30分) 1.下列物质的用途中,利用其化学性质的是 A,焦炭用于冶金工业B.氢气用于填充气球 C,活性炭用于?
The relative atomic masses that may be used: H, IC, N, N, 140, 16Na, 23, Fe, 56, Zn, 65, Ag, 108, a. Multiple-choice questions have only one correct option. Please fill in the serial number after the title of the brackets. Inside. Water 11 to 2. Question 2 points per question. 30 points for this item) 1. The use of the following substances, the use of its chemical nature is A, coke used in the metallurgical industry B. hydrogen used to fill balloons C, activated carbon used?