VERY useful ways to remember colours of flames and precipitates if you have an imaginative mind!!

HOPE THIS HELPS !! AND GOOOD LUCK!

HideShow resource information
  • Created by: lou
  • Created on: 25-04-11 13:22
Preview of VERY useful ways to remember colours of flames and precipitates if you have an imaginative mind!!

First 95 words of the document:

CHEMISTRY UNIT 3 _
Flame Tests ­ TESTING FOR CATIONS
Flame Tests identify metal ions.
The compounds of some metals burn with a characteristic colour enabling us to
tell what compounds are present.
GREEN BEAR
BARium burns with a GREEN flame.
LiCa ­ this RED tongue is a licker.
Lithium (Li+) burns with a crimson red flame.
and Calcium (Ca+) burns with a brick red flame.
Street lamps are YELLOW due to the SODIUM.
SODIUM burns with a YELLOW flame.
A LILAC in a POT

Other pages in this set

Page 2

Preview of page 2

Here's a taster:

POTassium burns with a LILAC flame.
Some metals produce a coloured precipitate with NaOH.
This is (supposed to be!) a white camel in a snowstorm. The metal names can
be shortened to spell CaMgAl camal camel!
The precipitate formed by Calcium (Ca), Magnesium (Mg) and Aluminium (Al)
is WHITE ­ hense the snow..…read more

Comments

Abbas

Terrible resource, No offence.

Flame tests:

Sodium = Sun = Yellow

Potassium = Purple = Lilac

Calcium = Cut - Blood = Red

Barium = Bogey = Green

Lithium = Crimson


Similar Chemistry resources:

See all Chemistry resources »See all resources »