Daily Practice · GCSE Science

Daily Practice - GCSE Science

11th January 1997

5 questions · GCSE · 584 questions in this band

1
Chemistry Required Practicals and Data Analysis
Name one way to make a rate of reaction experiment more valid rather than simply more precise.
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
Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.

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