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Chapter 18: Qualitative Analysis + Chapter 19: Chromatography

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Which precipitate is formed when AgNO₃ reacts with chloride?

A Yellow B White C Blue D Green

A Na⁺ B NH₄⁺ C Ca²⁺ D K⁺

A CO₃²⁻ B SO₄²⁻ C Cl⁻ D NO₃⁻

A Na⁺ B K⁺ C Ca²⁺ D Cu²⁺

A Detecting food dyes B Measuring mass C Heating chemicals D Cooling solutions

A Paper B Adsorbent C Solvent D Solid surface

A To avoid evaporation of solvent B To heat the solvent C To add pressure D To add air

A Filter paper B Newspaper C Plastic sheet D Carbon paper

A Type of solvent B Stationary phase C Temperature D Shape of container

A Cu²⁺ B Na⁺ C Ca²⁺ D K⁺