Daily Practice

GCSE Science

8th January 1988

5 questions · GCSE · 584 questions in this band

1
Chromatography and Instrumental Analysis
A sample produces only one spot when run in three different solvents. What does this suggest about the sample?
2
Chemistry of the Atmosphere
Give two human activities that increase the amount of greenhouse gases in the atmosphere.
3
The Atmosphere: Evolution and Greenhouse Gases
Explain why the natural greenhouse effect is necessary for life on Earth, rather than being a purely harmful process.
4
Climate Change and Atmospheric Pollutants
Explain how solid carbon particulates released by combustion can cause global dimming.
5
Physics Equations: Recall, Rearrangement and Application
State the equation for work done.

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of January 1988, including the monthly compilation PDF.