Daily Practice · GCSE Science

Daily Practice - GCSE Science

15th November 1998

5 questions · GCSE · 584 questions in this band

1
Using the Earth's Resources and Potable Water
Explain why potable water is not required to be chemically pure.
2
Life Cycle Assessment, Recycling and Corrosion
State the four stages considered in a life cycle assessment.
3
Atomic Structure and the History of the Atom
An atom has an atomic number of 17 and a mass number of 37. How many neutrons does it have?
4
The Periodic Table: Groups and Trends
Give two observations when lithium is added to water.
5
Bonding, 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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