Daily Practice

GCSE Science

11th December 1992

5 questions · GCSE · 584 questions in this band

1
Using Resources
Name the four stages usually considered in a life cycle assessment of a product.
2
Using the Earth's Resources and Potable Water
Explain why potable water is not required to be chemically pure.
3
Life Cycle Assessment, Recycling and Corrosion
Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.
4
Atomic Structure and the History of the Atom
Define an isotope.
5
The Periodic Table: Groups and Trends
Explain why potassium is more reactive than sodium.

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 December 1992, including the monthly compilation PDF.