%%

Gaokao Chemistry Practice Question

6. (3 分) 在一定温度、压强下, 向 $100 \mathrm{mLCH}_{4}$ 和 $\mathrm{Ar}$ 的混合气体中通入 $400 \mathrm{mLO}_{2}$ , 点燃使其完全燃烧, 最后在相同条件下得到干燥气体 $460 \mathrm{~mL}$, 则反应前混 合气体中 $\mathrm{CH}_{4}$ 和 $\mathrm{Ar}$ 物质的量之比是 ( $)$

  1. A.$1: 4$
  2. B.$1: 3$
  3. C.$1: 2$
  4. D.$1: 1$

Want to know if you got it right?

Answer this and thousands more real Gaokao previous-year questions free, get graded instantly, and climb the global ranked leaderboard.

Practice Gaokao free →

More Gaokao Chemistry questions