Daily Practice

GCSE Science

7th May 1993

5 questions · GCSE · 584 questions in this band

1
Biodiversity, Cycles and Human Impact
State one way in which high biodiversity benefits an ecosystem.
2
Chemistry Required Practicals and Data Analysis
Why is the burette rinsed with the solution it is going to contain rather than with water?
3
Atomic Structure and the Periodic Table
An atom has atomic number 11 and mass number 23. State the number of protons.
4
Using Resources
Define a finite resource, giving one example.
5
Using the Earth's Resources and Potable Water
Name one method used to sterilise fresh water during the production of potable water.

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