Flame Test and Chemical Test Essay Sample

Flame Test and Chemical Test Pages
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Method: to identify these chemicals I will carry out two types of test: Flame test and chemical test.

Flame test:

* To carry out the flame test I will dip the metal wire in the roaring Bunsen flame.

* Then I dipped the wire in hydrochloric acid

* Next I placed it into the sample and then I placed it into the roaring Bunsen Flame

* After I recorded the colour of the flame

Safety:

* I wore goggles to protect my eyes from acid (hydrochloric acid is corrosive)

* When I was not using the Bunsen burner, I put it on safety flame

* I also used small amounts of acid and have a safety mat

Test for cat ion:

Chemical

Flame colour

Cat ion

A

Yellow

Na+

B

Lilac

K+

C

Green

Cu2+

Test for an ion:

Substance

Test

observation

Sodium chloride

Add Dilute hydrochloric acid

It fizzes and carbon dioxide gas is produced

Copper carbonate

Add Acidified silver nitrate

White precipitate

Potassium sulphate

I added Acidified barium chloride solution

White precipitate

Evaluation: Flame test and chemical test tell us which chemicals are present. This is called a qualitative analysis. In industry, it is also very important to know how much of the chemical is present. The difference between my tests and the tests carried out in the industry is that they find the amount as well as the type of chemical.

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