is salt a pure substance or a mixture?

2008-02-16 3:52 pm
as i said...salt=a pure substance or a mixture?
更新1:

1. element 2. compound 3. homogeneous 4. heterogeneous which one?

更新2:

wt if......the salt is filtered from beach sand....is the salt still pure substance?

回答 (3)

2008-02-16 5:56 pm
✔ 最佳答案
a pure substance
compound
2008-02-16 4:40 pm
Salt is a chemical compound formed by replacing all or part of the hydrogen ions of an acid with metal ions or electropositive radicals.
2008-02-16 4:05 pm
salt is basically NaCl which is a substance.....
but in the real world, nothing is 100% pure
hope this can help you


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