The Government of Canada’s terminology and linguistic data bank.

HARD CHEMICAL [1 record]

Record 1 2014-02-13


Subject field(s)
  • Chemical Elements and Compounds

... in the area, there are many ore and copper mines, so minerals are very different and need hard chemicals such as arsenic ... In the extraction process, salt, soft acid (vinegar) and peroxide could be used ...


  • Éléments et composés chimiques

[...] on trouve dans la région de nombreuses mines de fer et de cuivre, des minéraux fort différents qui nécessitent des produits chimiques durs comme l’arsenic. [...] Dans le processus d’extraction, du sel, de l’acide mou (vinaigre) et du peroxyde pourront être utilisés [...]


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