Daily Practice

GCSE Science

12th March 1991

5 questions · GCSE · 584 questions in this band

1
Chemistry Required Practicals and Data Analysis
Why is a polystyrene cup with a lid used in energy-change experiments?
2
Atomic Structure and the Periodic Table
An atom has atomic number 11 and mass number 23. State the number of protons.
3
Using Resources
Define a finite resource, giving one example.
4
Using the Earth's Resources and Potable Water
Name one method used to sterilise fresh water during the production of potable water.
5
Life Cycle Assessment, Recycling and Corrosion
State the two substances that must both be present for iron to rust.

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 March 1991, including the monthly compilation PDF.