Daily Practice

GCSE Science

23rd June 1990

5 questions · GCSE · 584 questions in this band

1
Using Resources
State one benefit of recycling metal rather than extracting new metal from its ore.
2
Using the Earth's Resources and Potable Water
Explain, in terms of particle size, how reverse osmosis separates water from dissolved salt.
3
Life Cycle Assessment, Recycling and Corrosion
State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
4
Atomic Structure and the History of the Atom
Why do isotopes of an element react in the same way?
5
The Periodic Table: Groups and Trends
State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.

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