Question 18 of 36 Submit What solid would form when phosphoric acid (H3PO4) is added to milk of magnesia (Mg(OH)2)? A) MgO B) No solid would form. C) Mg(OH)2 D) MGPO, E) Mg3(PO4)2

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**Question 18 of 36**

**What solid would form when phosphoric acid (H₃PO₄) is added to milk of magnesia (Mg(OH)₂)?**

A) MgO

B) No solid would form.

C) Mg(OH)₂

D) MgPO₄

E) Mg₃(PO₄)₂
Transcribed Image Text:**Question 18 of 36** **What solid would form when phosphoric acid (H₃PO₄) is added to milk of magnesia (Mg(OH)₂)?** A) MgO B) No solid would form. C) Mg(OH)₂ D) MgPO₄ E) Mg₃(PO₄)₂
**Question 19 of 36**

**Which one of the following would form a precipitate with PO₄³⁻ ions in aqueous solution?**

A) K⁺

B) NH₄⁺

C) Ca²⁺

D) None of these would form a precipitate.

--- 

This question asks you to identify which ion would form a precipitate when combined with phosphate ions (PO₄³⁻) in an aqueous solution. Precipitation occurs when two ions in solution form an insoluble compound.
Transcribed Image Text:**Question 19 of 36** **Which one of the following would form a precipitate with PO₄³⁻ ions in aqueous solution?** A) K⁺ B) NH₄⁺ C) Ca²⁺ D) None of these would form a precipitate. --- This question asks you to identify which ion would form a precipitate when combined with phosphate ions (PO₄³⁻) in an aqueous solution. Precipitation occurs when two ions in solution form an insoluble compound.
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