Identify which of the following ions (Ag⁺, Sr²⁺, and Zn²⁺) are present in the solution given the following data:
1. The addition of sodium chloride to the solution results in a precipitate. The precipitate is filtered off.
2. The addition of potassium sulfate does not result in any precipitate.
3. The addition of sodium carbonate to the solution results in a precipitate.

• A. Ag⁺, Sr²⁺, and Zn²⁺
• B. Ag⁺ and Zn²⁺
• C. Ag⁺ and Sr²⁺
• D. Sr²⁺ and Zn²⁺

Answer: (B)