Quiz: Metals

1. What are the chemical symbols for the metals aluminium, iron, titanium, magnesium, zinc, copper, tin, lead, tungsten, silver, uranium and gold in order?
A Al, I, Ti, Mg, Zi, Co, Tn, Ld, Tu, Si, U, Go
B Al, Fe, Ti, Mg, Zn, Cu, Sn, Pb, W, Ag, U, Au
C Al, Fe, T, Mg, Z, Co, Tn, Pb, Tu, Ag, U, Au
2. Most metals have similar physical properties of:
A yellow colour, shiny lustre, very hard
B low melting point, good electrical conductivity, silver colour
C shiny lustre, good heat and electrical conductivity, and high melting and boiling points
3. A metal which is an exception because it has a low melting point of –39 degrees Celsius is:
A sodium
B oxygen
C mercury
4. Two very reactive metals which have densities less than that of water and can therefore float are:
A sodium and potassium
B lead and copper
C aluminium and lead
5. A metal that is a good electrical conductor and is very ductile (can be pulled into a wire) is:
A mercury
B calcium
C copper
6. The reason why metals are usually good electrical conductors is because:
A their atoms are loosely packed and in no particular arrangement and are able to move freely
B metal ions form a lattice surrounded by a "sea" of free electrons
C metal atoms form long lines that allow little movement
7. The mineral from which aluminium is extracted is:
A magnesite
B galena
C bauxite
8. The mineral from which magnesium is extracted is:
A magnesite
B haematite
C gold
9. A precious metal used in jewellery and found in a pure form in nature is:
Agold
Baluminium
Ccopper
10. When a metal reacts with an acid, the products formed are:
Asalt and hydrogen
Bwater and carbon dioxide
Coxygen and metallic oxides
11. When a metal corrodes in water, they form:
Asalt and water
Brust and carbon dioxide
Cmetal hydroxide and hydrogen
12. The activity series of metals lists metals from:
Amost abundant to least abundant in the earth's crust
Bmost reactive to least reactive
Cleast used to most used in man-made products
13. The general name given to a mixture of metals or metals and non-metals such as carbon and silicon is:
Asacrificial protection
Bmetal carat
Can alloy
14. The refining of a pure metal in a blast furnace is called:
Aslag
Bsmelting
Cfroth flotation
15. An example of a metal that is extracted by electrolysis is:
Aaluminium
Biron
Ccopper

 

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