Chemical Analysis Flashcards
What is the Chemistry definition of purity?
A substance that only contains one sort of compound or element throughout. It’s not mixed with anything else 👍
How do you use boiling or melting point to tell you if something is pure?
A pure substance will melt or boil at an exact temperature. So if you melt it and compare to the boiling point of a pure substance you will know 🤘
How to test for chlorine?
Chlorine bleached damp litmus paper turning it white.
How do you test for oxygen?
If you put a glowing splint inside a test tube containing oxygen it will relight.
How do you test for carbon dioxide?
Bubbling it though a solution if calcium hydroxide makes it cloudy
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How do you test for hydrogen?
If you hold a burning splint at the open end of a test tube containing hydrogen you’ll get a squeaky pop
