chemistry C9 (chemical tests i need to know)

seperate chem 2

what does different metal ions produce when they are heated strongly?

different coloured flames

what colour flame does lithium show up as?

red

what colour flame does sodium show up as?

yellow (more orange in real life)

what colour flame does potassium show up as?

lilac

what colour flame does calcium show up as?

orange-red

what colour flame does copper show up as?

blue-green

describe the test for carbonate ions

carbonate ions are detected using a dilute acid.

bubbles are given off when an acid usually dilute hydrochloric acid is added to the test compound.

what is the positive result for the test for carbonate ions.

it turns limewater cloudy

what do you add to the metal ion solution for the test for positive ions

dilute sodium hydroxide

for the test for positive ions, what colour precipritate does iron 2

green

for the test for positive ions, what colour precipritate does ion 3 form

brown

for the test for positive ions, what colour precipritate does copper form

blue

for the test for positive ions, what colour precipritate does calcium form

white

for the test for positive ions, what colour precipritate does aluminium form

white