Daily Practice · GCSE Science

Daily Practice - GCSE Science

31st May 1999

5 questions · GCSE · 584 questions in this band

1
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.
2
Atomic Structure and the History of the Atom
Why is an atom electrically neutral?
3
The Periodic Table: Groups and Trends
Why are the noble gases unreactive?
4
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.
5
Chemical Bonding: Ionic, Covalent and Metallic
Why can an ionic compound conduct electricity when molten or dissolved but not when solid?

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of May 1999, including the monthly compilation PDF.