Daily Practice · GCSE Science

Daily Practice - GCSE Science

20th May 1994

5 questions · GCSE · 584 questions in this band

1
Using the Earth's Resources and Potable Water
State what is meant by sustainable development.
2
Life Cycle Assessment, Recycling and Corrosion
Explain, using the reactivity series, why attaching blocks of zinc to the hull of a steel ship helps prevent the steel from rusting.
3
Atomic Structure and the History of the Atom
Why is an atom electrically neutral?
4
The Periodic Table: Groups and Trends
Why are the noble gases unreactive?
5
Bonding, Structure and Properties of Matter
Explain why sodium chloride conducts electricity when molten but not when solid.

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