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Which one is not the ore of gold?
Sylvanite
Mica
Nagyagite
Petzite
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Which one is not the ore of silver?
Horn silver
Sylvanite
Pyrolite
Argentite
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Which one is not the ore of copper?
Chalcopyrite
Nagyagite
Copper glance
Cuprite
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Which one is not the ore of iron?
Petzite
Siderite
Hematite
Magnetite
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Which one is not the ore of aluminium?
Calaverite
Feldspar
Caryolite
Bauxite
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Melting point and boiling point of gold is ______ respectively.
9600C and 19550C
10830C and23500C
15500C and 24000C
10640C and 27000C
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Melting point and boiling point of silver is ______ respectively.
10830C and 23500C
9610C and 21620C
15500C and 24000C
10630C and 26100C
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Melting point and boiling point of copper is ______ respectively.
10630C and 26100C
15500C and 24000C
10850C and 25620C
9600C and 19550C
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Melting point and boiling point of iron is ______ respectively.
15380C and 28620C
9600C and 19550C
10830C and 23500C
10630C and 26100C
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Melting point and boiling point of aluminium is ______ respectively.
9600C and 19550C
10630C and 26100C
6600C and 24700C
10830C and 23500C
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