Which of the following are synthetic materials?
Which of the following leaves the Crude Oil Fractional Distillation process as a gas?
Which of the following products of Crude Oil Fractional Distillation has the highest boiling point?
What is the link between molecule size and boiling point?
The larger the molecule, the higher the boiling point
The larger the molecule, the lower the boiling point
The boiling points of different molecules are always the same
What might a new material be tested for to find an effective use for it?
_____ is an important process in which small molecules called monomers are joined together to make very long molecules.
What is the effect of plasticisers on the forces between molecules?
Force stays the same
What is the effect of vulcanisation on the forces between molecules?
What scale is nanotechnology done to?
1 - 100 nanometres
1 - 1000 nanometres
1 - 100 millimetres
10 - 100 nanometres
What issues have been raised about the use of nanotechnology?
It may have health risks
It gives an unfair advantage in sport
It makes sea-spray dangerous
It creates toxic gas particulates