SCS Yr 12 Qualitative tests

Which of the following salts is insoluble according to the solubility rules?

• NaCl

• KNO3

• BaSO4

• NH4Cl

Which of the following salts is insoluble according to the solubility rules?

• NaCl

• KNO3

• BaCl2

• AgCl

What is the observation when NaOH is added to a solution containing Mg2+ ions?

• A white precipitate forms

• No precipitate, just solution

• A pale cloud of solution

• A white precipitate of MgSO4 forms

What is the observation when NaOH is added to a solution containing Ba2+ ions?

• A white precipitate forms

• No precipitate, just solution

• A pale cloud of solution

• A white precipitate of MgSO4 forms

What color flame is observed for potassium (K) during the flame tests?

• Crimson Red

• Yellow-Orange

• Lilac

• Green Apple

What color flame is observed for sodium (Na) during the flame tests?

• Crimson Red

• Yellow-Orange

• Lilac

• Green Apple

What color flame is observed for lithium (Li) during the flame tests?

• Crimson Red

• Yellow-Orange

• Lilac

• Green Apple

What color flame is observed for barium (Ba) during the flame tests?

• Brick Red

• Yellow-Orange

• Lilac

• Green Apple

What color flame is observed for calcium (Ca) during the flame tests?

• Brick Red

• Yellow-Orange

• No colour

• Green Apple

What color flame is observed for magnesium (Mg) during the flame tests?

• Brick Red

• Yellow-Orange

• No colour

• Green Apple