Testing for Ions
Authored by Yaira Abdool
Chemistry
11th Grade
Used 25+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is observed when NaOH is added to a solution containing copper ions?
Blue precipitate
Brown precipitate
Yellow flame
White precipitate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: When NaOH is added to a solution containing iron ions, a _______ precipitate is formed.
Blue
Brown
Yellow
White
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color flame is observed in the sodium flame test?
Blue
Green
Yellow
Red
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding dilute HCl to a solution containing carbonate ions?
Blue precipitate
Brown precipitate
Yellow flame
Effervescence
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fill in the blank: The copper test involves adding NaOH to the unknown solution and observing a _______ precipitate.
A) Blue
B) Brown
C) Yellow
D) White
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the sodium flame test?
To identify chloride ions
To observe a yellow flame
To form a white precipitate
To test for carbonate ions.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ion test involves observing a brown precipitate?
Copper
Iron
Sodium
Chloride
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