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General Principles and processes of Isolation of Elements
easy
Percentage $(\%)$ of silver in the alloy gennan silver is
A
$2.5$
B
$1.5$
C
$10$
D
$0$
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 D is correct.
Standard 12
Chemistry
Similar Questions
Match Column $-I$ with Column $-II$ and select the correct answer using the codes given below
Column $-I$ (metals) | Column $-II$ (Ores) |
$(A)$ Tin | $(1)$ Calamine |
$(B)$ Zinc | $(2)$ Cassiterite |
$(C)$ Titanium | $ (3)$ Cerrusite |
$(D)$ Lead | $(4)$ Rutile |
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