Daily Practice

GCSE Science

3rd September 1992

5 questions · GCSE · 584 questions in this band

1
Biodiversity, Cycles and Human Impact
Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
2
Chemistry Required Practicals and Data Analysis
A gas syringe collects 48 cubic centimetres of gas in 40 seconds. Calculate the mean rate.
3
Atomic Structure and the Periodic Table
Explain, in terms of electrons, why reactivity decreases going down Group 7.
4
Using Resources
Name the four stages usually considered in a life cycle assessment of a product.
5
Using the Earth's Resources and Potable Water
Explain why potable water is not required to be chemically pure.

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