Daily Practice

GCSE Science

18th August 1992

5 questions · GCSE · 584 questions in this band

1
Atomic Structure and the Periodic Table
State the relative charge of a neutron.
2
Using Resources
State one benefit of recycling metal rather than extracting new metal from its ore.
3
Using the Earth's Resources and Potable Water
Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
4
Life Cycle Assessment, Recycling and Corrosion
Explain why steel (an alloy of iron and carbon) is generally harder than pure iron.
5
Atomic Structure and the History of the Atom
Define an isotope.

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