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General Principles and processes of Isolation of Elements
easy
$\%$ of silver in 'german silver' is
A
$0$
B
$80$
C
$90$
D
$10$
Solution
1)The percentage of silver in German silver is Zero.
2) In German silver three elements ranging approximately as follows: copper- from $50 \%$ to $61.6 \%$ zinc- from $19 \%$ to $17.2 \%$ nickel- from $30 \%$ to $21.1 \%$
Option A is correct.
Standard 12
Chemistry
