Miss Fong: Yes. Let's imagine we are mixing a common acid like nitric acid and a common alkali - sodium hydroxide. When they react water and a salt called sodium nitrate is produced. Katie ...
Miss Fong: Yes. Let's imagine we are mixing a common acid like nitric acid and a common alkali - sodium hydroxide. When they react water and a salt called sodium nitrate is produced. Katie ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果