Daily Practice · GCSE Science

Daily Practice - GCSE Science

25th February 1998

5 questions · GCSE · 584 questions in this band

1
Chemistry Required Practicals and Data Analysis
Give the resolution of a burette that can be read to the nearest half of a small division.
2
Atomic Structure and the Periodic Table
A sample contains 90% of an isotope with mass number 10 and 10% of an isotope with mass number 11. Calculate the relative atomic mass, to 1 decimal place.
3
Using Resources
Explain why potable water is not the same as pure water.
4
Using the Earth's Resources and Potable Water
State what is meant by sustainable development.
5
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.

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