Uses of Metals
Chemistry ⇒ Metals and Non-metals
Uses of Metals starts at 6 and continues till grade 12.
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See sample questions for grade 11
A bridge is being constructed in a coastal area where corrosion is a major concern. Which metal or alloy would you recommend for the structure and why?
Describe one use of titanium and explain why it is suitable for that use.
Describe the use of sodium vapour lamps and explain why sodium is suitable for this application.
Explain why copper is not used for making cooking utensils, even though it is a good conductor of heat.
Explain why iron is used in the construction industry despite its tendency to rust.
Explain why metals are used in making cooking utensils.
A bridge is being constructed in a coastal area where corrosion is a major concern. Which metal or alloy would you recommend for the structure and why?
A spacecraft requires a material that is both lightweight and able to withstand high temperatures during re-entry into the Earth's atmosphere. Which metal or alloy would be most suitable for this purpose and why?
Which metal is added to steel to make it stainless?
(1) Chromium
(2) Copper
(3) Zinc
(4) Lead
Which metal is used in making the heating elements of electric irons and toasters?
(1) Copper
(2) Nichrome
(3) Silver
(4) Aluminium
Which of the following metals is commonly used in electrical wiring due to its high electrical conductivity?
(1) Iron
(2) Copper
(3) Zinc
(4) Aluminium
Which of the following metals is used as a catalyst in the hydrogenation of oils?
(1) Platinum
(2) Silver
(3) Nickel
(4) Copper
Fill in the blank: ________ is used in making coins because it is hard and resistant to corrosion.
Fill in the blank: ________ is used in making overhead electric cables because it is lightweight and a good conductor of electricity.
Fill in the blank: ________ is used in making thermometers because it is the only metal that is liquid at room temperature.
Fill in the blank: The metal ________ is used in making dental fillings due to its resistance to corrosion and malleability.
True or False: Aluminium is used in the construction of aircraft because it is both lightweight and strong.
True or False: Iron is used in making magnets.
True or False: Lead is commonly used in water pipes today.
True or False: Magnesium is used in fireworks because it burns with a bright white flame.
