Chemical Analysis

A fuel is a mixture of liquids that has been designed as a useful product. What name is given to this type of mixture?

• Catalyst
• Formulation
• Polymer
• Solvent

What is the test for chlorine gas?

• A glowing slpint lights
• A lghted splint gives a pop
• Damp blue litmus paper turns white
• Limewater turns milky

A solid was tested using a flame test and it gave a green flame. It was then dissolved in some distilled water and gave a white preciptate with barium chloride. What was the compound?

• Calcium chloride
• Copper sulphate
• Calcium sulphate
• Copper chloride

A soluton was tested by adding some sodium hydroxide, which produced a brown precipitate. A second sample of the same solution was tested by adding some silver nitrate solution, and a cream precipitate was formed. What compound was present in the original solution?

• Iron (III) bromide
• Iron (II) chloride
• Iron (III) chloride
• Iron (II) bromide

In paper chromatography using propanone as the solvent what is the stationary phase?

• Propanone
• Paper

Silver nitrate can be used to test for halide ions in aqueous solutions. If the solution contains chloride ions what colour is the precipitate?

• blue
• yellow
• cream
• green
• white

Silver nitrate can be used to test for halide ions in aqueous solutions. If the solution contains bromide ions what colour is the precipitate?

• blue
• yellow
• cream
• green
• white

Silver nitrate can be used to test for halide ions in aqueous solutions. If the solution contains iodide ions what colour is the precipitate?

• cream
• green
• white
• yellow
• Blue

Which is the correct test and result for hydrogen gas?

• Burning splint gives a pop sound
• Damp litmus paper turns white
• Puts out a burning splnt
• Relights a glowing splint
• Limewater goes cloudly

Which is the correct test and result for carbon dioxide gas?

• Limewater goes cloudy
• Burning splint gives a pop sound
• Damp litmus paper turns white
• Puts out a burning splint
• Damp litmus aper turns blue