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CHEMISTRY IN SOCIETY: Fertilizers
ENVIRONMENTAL EDUCATION: Chemistry In Society - Extraction Of Metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Alkali metals and alkaline earth metals
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Identification Of Ions
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Salts
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Transition metals
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Formulae, Moles And Equations
MATTER: PROPERTIES AND TRANSFORMATION: Rates Of Reaction
MATTER: PROPERTIES AND TRANSFORMATION: Reversible Reactions
PRINCIPLES OF CHEMISTRY: Electrochemistry
PRINCIPLES OF CHEMISTRY: Gaseous State

Which of the following anions produces a white precipitate with silver nitrate solution, which is soluble in dilute ammonia solution?

Iodide (I⁻).

Sulfate (SO₄²⁻).

Chloride (Cl⁻).

Bromide (Br⁻).

A solution is suspected to contain ammonium ions. Which reagent would be most suitable to confirm its presence?

Silver nitrate solution.

Dilute hydrochloric acid.

Sodium hydroxide solution, followed by warming.

Barium nitrate solution.

To distinguish between a solution of BaCl₂ and CaCl₂ using a flame test, what distinct colours would you observe?

BaCl₂ (golden yellow), CaCl₂ (lilac).

BaCl₂ (crimson red), CaCl₂ (brick-red).

BaCl₂ (brick-red), CaCl₂ (apple green).

BaCl₂ (apple green), CaCl₂ (brick-red).

A solution gives a yellow flame colour. Which ion is responsible?

Potassium (K⁺).

Sodium (Na⁺).

Lithium (Li⁺).

Calcium (Ca²⁺).

To a test solution, add barium chloride solution and then add excess dilute hydrochloric acid or nitric acid.

If a white precipitate is formed which is insoluble in excess acid, then the substance contains a:

SO₃²⁻.

SO₄²⁻.

NO₃⁻.

CO₃²⁻ or HCO₃⁻.