Chemistry Tests Quiz

Which colour does lithium produce in a flame test?

• Green

• Red

• Blue

• Yellow

What gas is released when a carbonate anion reacts with an acid?

• Oxygen

• Hydrogen

• Carbon dioxide

• Nitrogen

Which reagent is used to test for chloride ions?

• Barium chloride

• Silver nitrate

• Sodium hydroxide

• Ammonium chloride

What is the colour of the precipitate formed when barium chloride is added to a solution containing sulfate ions?

• White

• Blue

• Green

• Yellow

Which transition metal cation produces a blue precipitate with sodium hydroxide?

• Iron(II)

• Copper(II)

• Iron(III)

• Zinc

What colour does sodium produce in a flame test?

• Red

• Green

• Yellow

• Blue

What is the result of adding dilute hydrochloric acid to a sample containing carbonate ions?

• Formation of a white precipitate

• Effervescence and release of a gas

• No visible reaction

• Formation of a blue solution

Which alkali metal cation produces a lilac flame?

• Sodium

• Potassium

• Lithium

• Calcium

What is the colour of the precipitate formed when silver nitrate is added to a solution containing bromide ions?

• White

• Cream

• Yellow

• Blue

Which reagent is used to test for sulfate ions?

• Silver nitrate

• Barium chloride

• Sodium hydroxide

• Ammonium chloride