What is the bluish-green color observed in Lassaigne's test for nitrogen due to?

Chemistry Quiz: Qualitative Analysis

Quiz
•
Chemistry
•
University
•
Hard
Khryss Ayuda
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reaction with soda lime
Presence of iron(III) ions
Formation of calcium carbonate
Formation of ferric ferrocyanide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the white precipitate formed in the test for calcium using calcium chloride and ammonium carbonate?
Silver iodide
Silver bromide
Silver chloride
Calcium carbonate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which confirmatory test involves adding ammonium oxalate to a solution containing calcium ions?
Formation of calcium phosphate
Formation of calcium carbonate
Formation of calcium bromide
Formation of calcium oxalate
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the white precipitate formed in the reaction between sodium chloride and silver nitrate?
Calcium carbonate
Silver iodide
Silver bromide
Silver chloride
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pale-yellow precipitate formed in the reaction between sodium bromide and silver nitrate?
Calcium carbonate
Silver bromide
Silver chloride
Silver iodide
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the yellow precipitate formed in the reaction between sodium iodide and silver nitrate?
Silver chloride
Silver bromide
Silver iodide
Calcium carbonate
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the white precipitate formed in the reaction of disodium hydrogen phosphate, magnesium chloride, and ammonium hydroxide?
Silver chloride
Calcium phosphate
Ammonium phosphomolybdate
Magnesium ammonium phosphate
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