Daily Practice · GCSE Science

Daily Practice - GCSE Science

11th July 1997

5 questions · GCSE · 584 questions in this band

1
Using the Earth's Resources and Potable Water
Explain why potable water is not required to be chemically pure.
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
A student says that metals conduct electricity because they contain free-moving ions. Explain why this statement is incorrect, and give the correct explanation.

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