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QUIZ

University

Chemistry, Specialty

75%

accuracy

5

plays

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Omnia Salaheldeen

2 years

Chemistry, Specialty

University

Limit test for H.M

user

Omnia Salaheldeen

5
plays

7 questions

7 questions

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1. Multiple Choice
20 seconds
1 pt
Role of KCN...
Precipitation Agent
Complexing Agent
Alkalinize the medium
Coloring agent
2. Multiple Choice
20 seconds
1 pt
Heavy metals are precipitated in ...... medium
Basic
Acidic
Neutral
None
3. Multiple Choice
20 seconds
1 pt
Role of Na2S.....
Coloring agent
Alkalinize the medium
Complexing agent
Precipitating agent
4. Multiple Choice
20 seconds
1 pt
Colour of PbS is....
Blood Red
White
Brown
Black
5. Multiple Choice
20 seconds
1 pt
Heavy metals are ppted as....
Hydroxides
Sulfides
Sulphates
Cyanides
6. Multiple Choice
20 seconds
1 pt
Role of NH4OH....
Precipitating agent
Alkalinization
Acidification
Complexing agent
7. Multiple Choice
20 seconds
1 pt
Pb2+ can be tested in the presence of heavy metals by adding....
Na2S
KCN
NH4OH
NH4SCN
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