Skip to content
This repository has been archived by the owner on Oct 25, 2021. It is now read-only.

Latest commit

 

History

History
9 lines (6 loc) · 306 Bytes

2021-化学高考题(广东卷).md

File metadata and controls

9 lines (6 loc) · 306 Bytes

2021 化学高考题(广东卷)

tags: Chemistry

如何制备 $\ce{Fe(OH)3}$ 胶体?
沸腾的蒸馏水中逐滴加 1~2mL 饱和 $\ce{FeCl3}$ 溶液,煮沸至液体呈红褐色,停止加热。

举出基于 $\ce{CO2}$ 物理性质的一种用途。
做冷冻剂、人工降雨。