0.000 s
Revise smart, understand Better
Select Lessons (12)
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: Chemistry of Elements - Nitrogen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Sulphur
MATTER - PROPERTIES AND TRANSFORMATION: Organic Chemistry - Hydrocarbons
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Formulae, Moles And Equations
MATTER - PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Gaseous State
MATTER: PROPERTIES AND TRANSFORMATION: Principles Of Chemistry - Solutions and acid-base titration
PRINCIPLES OF CHEMISTRY: Electrochemistry
5/75 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry Of Elements - Identification Of Ions
A flame test produces a brick-red colour. Which cation is responsible for this observation?
Barium (Ba²⁺).
Lithium (Li⁺).
Copper(II) (Cu²⁺).
Calcium (Ca²⁺).
The flame colour of Li⁺ is?
Carmine or bright red.
Bluish-green.
Lilac.
Golden yellow.
A solution gives a persistent apple green flame. Which cation is present?
Copper(II) (Cu²⁺).
Lithium (Li⁺).
Calcium (Ca²⁺).
Barium (Ba²⁺).
A solution is suspected to contain ammonium ions. Which reagent would be most suitable to confirm its presence?
Barium nitrate solution.
Silver nitrate solution.
Sodium hydroxide solution, followed by warming.
Dilute hydrochloric acid.
Which anion, when tested with silver nitrate solution acidified with nitric acid, gives a yellow precipitate that is insoluble in both dilute and concentrated ammonia solution?
Bromide (Br⁻).
Sulfate (SO₄²⁻).
Iodide (I⁻).
Chloride (Cl⁻).
