Chemistry Occurrence Metals Online Exam Quiz
Chemistry Occurrence Metals GK Quiz. Question and Answers related to Chemistry Occurrence Metals. MCQ (Multiple Choice Questions with answers about Chemistry Occurrence Metals
What is the composition of brass?
Options
A : 49 percent copper and 51 percent zinc
B : 50 percent copper and 50 percent zinc
C : 37 percent copper and 63 percent zinc
D : 63 percent copper and 37 percent zinc
What is the concentration of zinc in calamine?
Options
A : 98 percent
B : 94 percent
C : 86 percent
D : 74 percent
Silver is extracted from which of the following ore?
Options
A : Calamine
B : Cinnabar
C : Argentite
D : Malachite
What is the composition of Kaolinite?
Options
A : Fe2O3
B : Al2O3.2H2O
C : [Al2(OH)4Si2O4]
D : CuFeS2
Which of the following is the finest iron ore?
Options
A : Hematite
B : Magnetite
C : Siderite
D : Iron Pyrites
Which of the following is not a suitable ore for extracting iron?
Options
A : Hematite
B : Magnetite
C : Siderite
D : Iron Pyrites
Which of the following is the chief ore of aluminium?
Options
A : Kaolinite
B : Bauxite
C : Malachite
D : Cinnabar
Malachite is an ore of copper with 58 percent copper concentration.
Options
A : True
B : False
C :
D :
The composition of bronze is generally 82 percent copper and 18 percent tin.
Options
A : True
B : False
C :
D :
Which metal is extracted from Cinnabar?
Options
A : Zinc
B : Copper
C : Iron
D : Mercury
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