Identification of Cations
Authored by Charles Martinez
Chemistry
7th - 12th Grade
NGSS covered
Used 5+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We can use ................... to detect copper II cations in their solutions
NaOH
NaOH2
Na(OH)2
Cu(OH)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We can use ................... to detect Iron II cations in their solutions
NaOH
KOH
NaOH or KOH
Fe(OH)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When you use the flame test, the flame becomes ........... in presence of sodium cations
green
yellow
white
red
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When you use the flame test, the flame becomes ........... in presence of lithium cations
green
lilac
crimson
yellow
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When you use the flame test, the flame becomes ........... in presence of potassium cations
green
crimson
red
lilac
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When you use the flame test, the flame becomes ........... in presence of calcium cations
lilac
yellow
crimson
red
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When you use the flame test, the flame becomes ........... in presence of barium cations
lilac
red
pale green
brown
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