July 2022 1 12 Report

1. Нарисуйте два прибора, используя которые можно собрать кислород разными способами. 

2. Опишите способ распознавания кислорода.

 

Химия. 9 класс. РТ: О.С. Габриелян, А.В. Яшукова.

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