Flame test AIMCarry out test on different compounds and write down what it looks like.

 Important = If you spill any chemicals on your skin and eyes quickly wash it for it for 10 min and if you can still feel it keep it like that until you don’t feel anything. Then get it checked by doctor.

METHOD

• Put three drops of hydrochloric acid on the watch glass.
• Light the Bunsen burner and open its air hole to give a roaring flame.
• Then dip the loop at the end of nichrome wire into the acid and heat it in the busen burner until the flame is no longer coloured. (This process cleans the wire, burning off the previous remains of any sample.)
• Then use a spatula and add a little sodium salt to the acid on the watch glass
• Mix the salt with the acid using the loop at the end of the wire. Tap the loop against the dry part of the watch glass to remove the acid.
•  Hold the loop in the edge of the flame.
• Then record the colour of the flame in the table. Then I choose from the following colours: -brick red (orange red), green (with blue streaks); lilac (pale purple); yellow.

RESULTS TABLE

CONCLUSION  

I found the colour of different metal when I flame tested each of them. I found that when you burn sodium you get a yellow colour, when you burn potassium you get a lilac colour. This also shows us that cat ion is positively charged. This will also help me identify the chemical colours when they are burning.