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5 votes
Which one of the following compounds is not

a salt?
1. Cr(OH)3
2. Fe(NO3)3
3. Na2SO3
4. KMnO4
5. Ca(ClO4)2

User Faliorn
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2 Answers

5 votes
I believe that it is number 4
User Zellus
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3 votes
Catherine, it's Cr(OH)3   :3
User Poshi
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