Daily Practice

GCSE Science

23rd August 1991

5 questions · GCSE · 584 questions in this band

1
Chemistry Required Practicals and Data Analysis
In the rate experiment where a cross disappears, why is the result subjective?
2
Atomic Structure and the Periodic Table
Write the electronic structure of an atom with 12 electrons.
3
Using Resources
State the two main steps used to produce potable water from a fresh water source.
4
Using the Earth's Resources and Potable Water
Give one reason distillation of seawater requires a large energy input.
5
Life Cycle Assessment, Recycling and Corrosion
State the four stages considered in a life cycle assessment.

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