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 12
Describe one use of silver in the field of medicine.
Describe the use of cadmium in rechargeable batteries.
Describe the use of calcium in the steel industry.
Describe the use of iron in construction.
Explain why aluminium is preferred over iron for making beverage cans.
Explain why gold is used in making jewellery.
Explain why platinum is used in laboratory crucibles and electrodes.
Explain why sodium and potassium are not used for making utensils.
Which of the following metals is most commonly used in electrical wiring due to its high electrical conductivity?
(1) Iron
(2) Copper
(3) Aluminium
(4) Zinc
Which of the following metals is used as a catalyst in the hydrogenation of vegetable oils?
(1) Nickel
(2) Copper
(3) Silver
(4) Lead
Which of the following metals is used in making aircraft engines due to its high melting point?
(1) Iron
(2) Nickel
(3) Lead
(4) Sodium
Which of the following metals is used in making catalytic converters for automobiles?
(1) Iron
(2) Platinum
(3) Aluminium
(4) Zinc
Fill in the blank: ________ is the metal used in making dental amalgam.
Fill in the blank: ________ is the metal used in making filaments of electric bulbs.
Fill in the blank: ________ is the metal used in making the heating elements of electric irons and toasters.
Fill in the blank: ________ is the metal used in making the tips of fountain pens.
True or False: Bismuth is used in fire detection and extinguishing systems because it has a low melting point.
True or False: Chromium is used for electroplating to provide a shiny and corrosion-resistant surface.
True or False: Gold is used in dentistry because it is non-reactive and malleable.
True or False: Iron is used in the construction of ships because it is less dense than water.
