Science Quiz : Metals

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Given the QUESTION, identify the ANSWER

1. Which metal is extracted from Bauxite?
• Aluminum
• Tungsten
• Arsenic
• Gold

Resposta: Aluminum

2. Brass is
• An Alloy
• An Element
• A Compound
• A Mixture

Resposta: An Alloy

3. Bronze is an alloy of
• Copper and Zinc
• Lead and Copper
• Copper and Tin
• Barium, Zinc and Iron

Resposta: Copper and Tin

4. What are metals that can be stretched easily known as?
• Malleable Metals
• Stretchable Metals
• Ductile Metals
• Polymer Metals

Resposta: Ductile Metals

5. Which of the following metals is often found in pure state?
• Iron
• Gold
• Magnesium
• Aluminum

Resposta: Gold

6. With which metal does oxygen combine to form rust?
• Gold
• Silver
• Iron
• Platinum

Resposta: Iron

7. Which metal is extracted from Haematite?
• Tin
• Manganese
• Iron
• Cadmium

Resposta: Iron

8. Fill in the missing word
_______ + Oxygen = Magnesium Oxide
• Manganese
• Magnesium
• Metal
• Carbon

Resposta: Magnesium

9. What are metals that can be beaten into various shapes called?
• Malleable Metals
• Ductile Metals
• Polymer Metals
• Beatable Metals

Resposta: Malleable Metals

10. Which of the following metals is liquid at room temperature
• Sodium
• Mercury
• Tungsten
• Cadmium

Resposta: Mercury

11. Sodium is very reactive and may burn on exposure to air, hence it is kept under
• Water
• Ice
• Oil
• Acids

Resposta: Oil

12. Rocks rich in metals are known as
• Ores
• Metalloids
• Allotropes
• Slag

Resposta: Ores

13. Rust on iron is basically
• A Chloride
• An Oxide
• A Nitride
• A Sulphide

Resposta: An Oxide

14. Which of the following does not belong to the group?
• Oxygen
• Iron
• Sodium
• Lead

Resposta: Oxygen

15. Metals are obtained from their oxides by
• Oxidation
• Reduction
• Electrolytic Separation
• Roasting

Resposta: Reduction

16. An alloy is a
• Solid Solution of two or more metals
• Compound of three elements
• Mixture
• Element in impure form

Resposta: Solid Solution of two or more metals

17. If a metal ore is titled "pyrites" then it most probably has
• Chlorine
• Oxygen
• Sulphur
• Nitrogen

Resposta: Sulphur

18. Often to prevent corrosion, metals are galvanized by covering them with a layer of
• Zinc
• Copper
• Sodium
• Tin

Resposta: Zinc

19. Metals are usually good conductors of heat and electricity.
• True
• False

Resposta: True

20. Iron is magnetic.
• True
• False

Resposta: True