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 9
Describe one use of iron in the construction industry.
Describe one use of magnesium in the field of photography or fireworks.
Describe one use of silver apart from jewellery.
Explain why copper is preferred over aluminium for making electrical wiring in some cases.
Explain why copper is used in making coins, even though it is more expensive than some other metals.
Explain why iron is often mixed with other elements to form alloys such as steel.
Explain why lead is not used for making water pipes anymore.
Explain why sodium and potassium are not used for making utensils.
Which metal is used as a catalyst in the hydrogenation of oils?
(1) Iron
(2) Nickel
(3) Copper
(4) Zinc
Which of the following metals is commonly used for making electrical wires?
(1) Iron
(2) Copper
(3) Zinc
(4) Silver
Which of the following metals is used in making batteries?
(1) Sodium
(2) Lead
(3) Magnesium
(4) Aluminium
Which of the following metals is used in making coins, batteries, and as a protective coating for iron?
(1) Zinc
(2) Lead
(3) Silver
(4) Magnesium
Fill in the blank: The metal commonly used for making jewellery due to its lustre and resistance to tarnish is __________.
Fill in the blank: The metal used in galvanization to protect iron from rusting is __________.
Fill in the blank: The metal used in making surgical instruments due to its resistance to corrosion is __________.
Fill in the blank: The metal used in making the anode of dry cells is __________.
True or False: Aluminium is used in making window frames because it is strong and does not rust.
True or False: Aluminium is used to make aircraft bodies because it is lightweight and resistant to corrosion.
True or False: Iron is used in making magnets because it is a magnetic material.
True or False: Iron is used in the construction of bridges because it is soft and easily bent.
