3.28 Chrom und Chrombäder
Quiz
•
Other, Education, Chemistry
•
10th - 12th Grade
•
Hard
Lehre Collini
Used 2+ times
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15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Welche Chrom Elektrolyte kommen für die Abscheidung von Chormschichten hauptsächlich zum einsatz?
Cr+6
Cr6-
Cr3+
Cr3-
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chrom ist ein sehr unedles Metall. Welche Spannung hat es in der Elektrochemische Spannungsreihe?
0,54V
-0,71V
1,55V
-1,89V
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Chrom besitz unter allen galvanischen Elektrolyten die schlechteste Tiefenstreuung. In was wird der Elektrische Storm sonst noch umgewandelt?
Wärme
Wasserstoff
Schaum
Blei
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Welche Anoden kommen bei Cr6+ Elektrolyten hauptsächlich zum Einsatz?
Blei
Zinn
Mangan
Iridium
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Im Cr6+ Chrombädern befindet sich max. 0,2% einer Fremdsäure als Katalysator. Welche ist das?
Schwefelsäure
Salzsäure
Phosphorsäure
Flussäure
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Welches sind die wichtigsten technischen Eigenschaften von Chromüberzügen?
Härte
Verschleißfestigkeit
Glanz
Farbe
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welches Element beeinflusst die Struktur von Chromüberzügen?
Wasserstoff
Sauerstoff
Flourid
Schwefel
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