×

Unsure

Classify the following statement appropriately into Physical Property, Physical change, Chemical Property, or Chemical Change.

Potassium reacting with moisture in the air to produce potassium hydroxide.

解答 0

  • tutor_fran
    2019-01-25 11:56:38
    Potassium tarnishes quickly in air due to a reaction of oxygen and moisture. If potassium is burned in air, the result is mainly formation of orange potassium superoxide.

    reference: http://objetoseducacionais2.mec.gov.br/bitstream/handle/mec/10311/reactions/19.htm
請填寫內容
請輸入你的答案
上載文件更改 ×
檔案過大
不支援此檔案
jpg, gif, png, doc, docx, pdf, xls, mov, mp4, m4a, mp3 (檔案上限為50M)