CHEM

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Will you please tell me if these are right? Write the symbol of the caton or anion that give(s) the following reaction:?
1. Forms a precipite with AgNO3 that does not dissolve in HNO3

2. Forms a gas with HCl

3. Give a bright, yellow-orange flame test

4. Forms a precipitate with BaCl2 that does not dissolve in HNO3

1) CL-
2) Mg+
3) Na+
4) SO4--

  • CHEM -

    all correct.

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