Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsMix Examples of General Principles and processes of Isolation of Elements
EasyWhat are the metals and their approximate percentages in German silver?
- A$Cu(52\%), Ni(25\%), Zn(18\%), Fe(5\%)$
- B$Cu(60\%), Ni(40\%)$
- C$Ni(60\%), Fe(25\%), Cr(15\%)$
- D$Cu(50\%), Ni(25\%), Zn(25\%)$
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Similar Questions
Give the correct order of initials $T$ or $F$ for following statements. Use $T$ if statement is true and $F$ if it is false.
$(i)$ Every mineral is an ore but every ore is not a mineral.
$(ii)$ Slag is a product formed during the extraction of metal by the combination of flux and impurities.
$(iii)$ Highly pure metals can be obtained by zone refining.
$(iv)$ Carnallite is an ore of magnesium and sodium.
$(i)$ Every mineral is an ore but every ore is not a mineral.
$(ii)$ Slag is a product formed during the extraction of metal by the combination of flux and impurities.
$(iii)$ Highly pure metals can be obtained by zone refining.
$(iv)$ Carnallite is an ore of magnesium and sodium.
Medium
View SolutionThe alloy,which contains $95 \%$ aluminium and small amounts of copper,magnesium and manganese is . . . . . .
In the leaching of $Ag_2S$ with $NaCN$,a stream of air is also passed. It is because of
Difficult
View SolutionWhich of the following metals is present in Brass,Bronze,and German silver?
Easy
View SolutionRailway wagon axles are made by heating iron rods embedded in charcoal powder. This process is known as:
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