Daily Practice · GCSE Science

Daily Practice - GCSE Science

25th April 1996

5 questions · GCSE · 584 questions in this band

1
Bonding, Structure and Properties of Matter
State one reason why simple covalent substances such as chlorine have low melting points.
2
Chemical Bonding: Ionic, Covalent and Metallic
Write the formula of calcium chloride and explain the ratio.
3
Structures, Properties and Nanoparticles
Give one use of nanoparticles and one associated risk.
4
Quantitative Chemistry
Magnesium is burned in an open crucible and the mass increases. Explain why.
5
Moles, Formulae and Equations
Why is the amount of product directly proportional to the amount of limiting reactant?

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