precipitate tests and flame tests
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/14
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai |
|---|
No analytics yet
Send a link to your students to track their progress
15 Terms
What is a precipitation reaction?
A reaction where two solutions react to form an insoluble solid (precipitate).
What is a precipitate?
An insoluble solid that forms when two solutions react.
Which reagent is used to test for halide ions?
Silver nitrate solution (AgNO3).
What colour precipitate forms with chloride ions?
White precipitate (silver chloride).
What colour precipitate forms with bromide ions?
Cream precipitate (silver bromide).
What colour precipitate forms with iodide ions?
Yellow precipitate (silver iodide).
Which reagent is used to test for sulfate ions?
Barium chloride solution (BaCl2).
What is the result of a positive sulfate test?
White precipitate of barium sulfate.
What is a flame test used for?
To identify metal ions by the colour they produce in a flame.
Why do metals produce different flame colours?
Electrons gain energy and release it as light of specific wavelengths.
What colour flame does lithium produce?
Crimson red.
What colour flame does sodium produce?
Yellow/orange.
What colour flame does potassium produce?
Lilac.
What colour flame does calcium produce?
Orange-red.
What colour flame does copper produce?
Green/blue-green.
