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Science Quiz : Metals

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QUESTIONANSWER
Which metal is extracted from Bauxite?
• Tungsten
• Aluminum
• Arsenic
• Gold
Aluminum
Brass is
• An Element
• A Compound
• A Mixture
• An Alloy
An Alloy
Bronze is an alloy of
• Copper and Zinc
• Lead and Copper
• Barium, Zinc and Iron
• Copper and Tin
Copper and Tin
What are metals that can be stretched easily known as?
• Malleable Metals
• Stretchable Metals
• Polymer Metals
• Ductile Metals
Ductile Metals
Which of the following metals is often found in pure state?
• Iron
• Magnesium
• Aluminum
• Gold
Gold
With which metal does oxygen combine to form rust?
• Iron
• Gold
• Silver
• Platinum
Iron
Which metal is extracted from Haematite?
• Iron
• Tin
• Manganese
• Cadmium
Iron
Fill in the missing word
_______ + Oxygen = Magnesium Oxide
• Manganese
• Metal
• Carbon
• Magnesium
Magnesium
What are metals that can be beaten into various shapes called?
• Ductile Metals
• Polymer Metals
• Malleable Metals
• Beatable Metals
Malleable Metals
Which of the following metals is liquid at room temperature
• Sodium
• Mercury
• Tungsten
• Cadmium
Mercury
Sodium is very reactive and may burn on exposure to air, hence it is kept under
• Water
• Ice
• Acids
• Oil
Oil
Rocks rich in metals are known as
• Ores
• Metalloids
• Allotropes
• Slag
Ores
Rust on iron is basically
• An Oxide
• A Chloride
• A Nitride
• A Sulphide
An Oxide
Which of the following does not belong to the group?
• Iron
• Oxygen
• Sodium
• Lead
Oxygen
Metals are obtained from their oxides by
• Oxidation
• Reduction
• Electrolytic Separation
• Roasting
Reduction
An alloy is a
• Compound of three elements
• Solid Solution of two or more metals
• Mixture
• Element in impure form
Solid Solution of two or more metals
If a metal ore is titled "pyrites" then it most probably has
• Chlorine
• Oxygen
• Sulphur
• Nitrogen
Sulphur
Often to prevent corrosion, metals are galvanized by covering them with a layer of
• Copper
• Sodium
• Tin
• Zinc
Zinc
Metals are usually good conductors of heat and electricity.
• True
• False
True
Iron is magnetic.
• True
• False
True

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