11761096
Beschreibung
Quiz von Shilpa RANA, aktualisiert more than 1 year ago
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Erstellt von Shilpa RANA
vor mehr als 6 Jahre
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Frage 1
Frage
The property by which metals can be drawn into wires is known as [blank_start]ductility.[blank_end]
Antworten
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ductility.
Frage 2
Frage
The property by which metals can be beaten into sheets is known as [blank_start]malleability[blank_end]
Antworten
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malleability
Frage 3
Frage
The elements are arranged on the basis of their [blank_start]atomic number[blank_end] in the periodic table
Antworten
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atomic number
Frage 4
Frage
The metal which exists in liquid state
Antworten
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Sodium
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Gallium
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Aluminium
Frage 5
Frage
Carbon ans silicon have high boiling and melting point
Antworten
- True
- False
Frage 6
Frage
Phosphorus is stored in oil as it reacts with water and air.
Antworten
- True
- False
Frage 7
Frage
Heavy oxide ores of lead and tin are concentrated by:
Antworten
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Hydraulic washing
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froth floatation
Frage 8
Frage
The ore extracted from mines is crushed to [blank_start]increase the surface area.[blank_end]
Antworten
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increase the surface area.
Frage 9
Frage
The most suitable method for concentrating iron ore is [blank_start]magnetic method[blank_end]
Antworten
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magnetic method
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Froth floatation method
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