Daily Practice - GCSE Science
Biology, chemistry and physics recall, definition and calculation, drawn from every strand.
29th January 2019
- 1Using the Earth's Resources and Potable Water
Explain why potable water is not required to be chemically pure.
- 2Life Cycle Assessment, Recycling and Corrosion
State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
- 3Atomic Structure and the History of the Atom
Why do isotopes of an element react in the same way?
- 4The Periodic Table: Groups and Trends
State the trend in reactivity down group 7 and name the most reactive halogen listed on the periodic table.
- 5Bonding, 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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