DP Chemistry Questionbank
A.1 Materials science introduction
Description
[N/A]Directly related questions
- 16N.3.sl.TZ0.3a: Magnesium oxide, MgO, and silicon carbide, SiC, are examples of ceramic materials. State the name...
- 16N.3.sl.TZ0.3b: Predict the predominant type of bonding for a binary compound AB in which the electronegativity...
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17M.3.sl.TZ1.6a:
Determine the type of bond present in SbBr3, showing your method. Use sections 8 and 29 of the data booklet.
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17M.3.sl.TZ1.6b:
Lanthanum has a similar electronegativity to group 2 metals. Explain, in terms of bonding and structure, why crystalline lanthanum bromide is brittle.
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17M.3.sl.TZ2.3a:
State the two distinct phases of a composite.
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17M.3.sl.TZ2.3b:
Identify the methods of assembling nanocomposites by completing the table.
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20N.3.sl.TZ0.3a:
Outline the two distinct phases of this composite.
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20N.3.hl.TZ0.3a:
Outline the two distinct phases of this composite.
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17N.3.sl.TZ0.4a:
Outline the composition of an alloy and a composite.
- 17N.3.sl.TZ0.4b.ii: At present, composite fillings are more expensive than amalgam fillings. Suggest why a patient...
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18M.3.sl.TZ1.3a:
Discuss, in terms of its structure, why an aluminium saucepan is impermeable to water.
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18M.3.sl.TZ1.3b.i:
State the name given to a material composed of two distinct solid phases.
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18M.3.sl.TZ1.4e:
Suggest why there are so many different ways in which plastics can be classified. HDPE can, for example, be categorized thermoplastic, an addition polymer, having Resin Identification Code (RIC) 2, etc.
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18M.3.sl.TZ2.3a:
ICP-OES/MS can be used to analyse alloys and composites. Distinguish between alloys and composites.
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18M.3.sl.TZ2.4c:
Civilizations are often characterized by the materials they use.
Suggest an advantage polymers have over materials from the iron age.
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18N.3.sl.TZ0.2a:
Outline why this type of classification is not entirely satisfactory by using magnesium diboride, MgB2, as an example. Refer to sections 8 and 29 of the data booklet.
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18N.3.hl.TZ0.2a:
Outline why this type of classification is not entirely satisfactory by using magnesium diboride, MgB2, as an example. Refer to sections 8 and 29 of the data booklet.
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19M.3.hl.TZ1.3a:
Identify the type of bonding in lithium hydride, using sections 8 and 29 of the data booklet.
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19M.3.hl.TZ2.4d:
Outline how alloys conduct electricity and why they are often harder than pure metals.
Conduct electricity:
Harder than pure metals:
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19M.3.sl.TZ1.3a(i):
Identify the type of bonding in lithium hydride, using sections 8 and 29 of the data booklet.
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19M.3.sl.TZ2.4d:
Outline how alloys conduct electricity and why they are often harder than pure metals.
Conduct electricity:
Harder than pure metals:
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19N.3.sl.TZ0.5b(i):
Determine the percentage of ionic bonding in alumina using sections 8 and 29 of the data booklet.
