Junior Cert Science - Chemistry

Which one of the following statements is INCORRECT?
1. Metals generally have high melting points.
2. Most of the metals are on the right hand side of the Periodic Table.
3. Most metals are good conductors of heat.
4. Not all metals are solid at room temperature.
Which one of the following metals is the best heat conductor?
1. copper
2. iron
3. zinc
4. aluminium
Which metallic element, coloured silver is a liquid at room temperature?
1. sodium
2. mercury
3. copper
4. magnesium
Which one of the following elements is NOT a metal?
1. helium
2. magnesium
3. sodium
4. chromium
The diagram shows an experiment to test metals for their ability to conduct electricity. Name the component labelled X which is missing.
1. battery
2. bulb
3. bunsen burner
4. crocodile clip
Copper is used in electrical cable mainly because
1. it is malleable
2. it is strong
3. it is ductile
4. its a very dense metal
Which of the following is NOT a property of a metal?
1. shiny
2. sonorous
3. good heat insulator
4. malleable
Copper is contained in which of the following alloys?
1. alnico
2. brass
3. solder
4. stainless steel
Which one of the following metals has a low density and a low melting point.
1. potassium
2. silver
3. iron
4. zinc
This non-metal is unusual in that it is a good conductor of electricity.
1. carbon
2. chlorine
3. oxygen
4. neon
Aluminium is primarily used in aeroplanes because
1. of its strength
2. it is a light metal
3. of its high melting point
4. it is inexpensive (cheap)
An alloy is formed
1. when two or more metals are heated until they melt and mix together.
2. by the reaction between two or more metals.
3. when a metal reacts with oxygen in the air.
4. when a metal rusts.
Which of the following pairs of metals are most unlikely to corrode?
1. copper and sodium
2. silver and gold
3. iron and lithium
4. magnesium and potassium
The process by which a metal reacts with oxygen in air at room temperature is known as
1. combustion
2. conduction
3. corrosion
4. rusting
What two conditions are necessary for the rusting of iron?
1. oxygen and water
2. hydrogen and water
3. water and nitrogen
4. oxygen and an electric current.
Which one of the following methods is NOT a good way of preventing rust?
1. painting
2. galvanising
3. greasing
4. heating
The diagram shows four test-tubes, each containing water and a metal: calcium, magnesium zinc and copper respectively. Which one of these metals is most reactive with water?
1. calcium
2. magnesium
3. zinc
4. copper
What gas is released when magnesium is reacted with dilute hydrochloric acid?
1. hydrogen
2. oxygen
3. carbon dioxide
4. water vapour
Which of the following correctly lists the metals in decreasing order of activity?
1. calcium, aluminium, copper, gold
2. mercury, sodium, iron, lead
3. gold, lead, calcium, potassium
4. sodium, copper, calcium, gold
Which of the following metals will NOT react with a dilute acid?
1. magnesium
2. iron
3. mercury
4. magnesium
The list of metals in decreasing order of activity is known as
1. the activity series
2. the world series
3. a series of unfortunate events
4. metallic series
Which of the following alloys is used in cutlery?
1. stainless steel
2. brass
3. bronze
4. solder
In the experiment shown, in which test-tube will the iron nails rust fastest?
1. Test-tube 1
2. Test-tube 2
3. Test-tube 3
4. Test-tube 4
Where in the diagram of the Periodic Table will you find the most reactive metals?
1. 1
2. 2
3. 3
4. 4
Which of the following elements is a solid, non-metal at room temperature?
1. bromine
2. silver
3. mercury
4. carbon
Which of the following statements is TRUE about the alkali metals?
1. They are poor conductors of electricity
2. They have low melting points
3. They have high densities
4. They are hard metals
Which one of the following elements behaves similarly to sodium?
1. bromine
2. potassium
3. oxygen
4. neon
Which of the following metals can be found in a pure state in nature?
1. silver
2. potassium
3. iron
4. calcium
Bronze is an alloy consisting of two or more metals. What are these metals?
1. copper and tin
2. copper and zinc
3. copper, zinc and nickel
4. copper, tin and lead
A galvanised metal is one which has been covered with
1. zinc
2. copper
3. iron
4. calcium
Which one of the following metals will you find in light bulbs?
1. aluminium
2. tungsten
3. copper
4. potassium
These metals are stored under oil and can easily be cut with knife. What are they called?
1. alkali metals
2. alkaline earth metals
3. heavy metals
4. transition metals
Which one of the following word equations best describes the reaction between potassium and water?
Which one of the following best describes the reaction between a metal and an acid?
What is the name of the type of reaction for the following word equation:
1. corrosion
2. combustion
3. rusting
4. Diffusion
The chemical symbols of sodium and magnesium are
1. S and Mg respectively
2. K and Mg respectively
3. Na and Mn respectively
4. Na and Mg respectively

Junior Cert Science - Chemistry - Metals

Multiple Choice Quiz