Chemistry · May / June 2026 · Paper 12 · Question 2
5070Elements, compounds and mixtures
Which statement is correct?
- AAir is a mixture because it is made up entirely of different compounds.
- BChlorine is an element because all of its atoms have the same atomic number and mass number.
- CLead(II) bromide is a compound because it is impossible to separate it into its elements.
- DStainless steel is a mixture because it can have a variable composition of different elements.
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Correct answer: D. Stainless steel is a mixture because it can have a variable composition of different elements.
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