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Here are the formulae of the four compounds in Tomas's experiment. compound / formula: silver nitrate AgNO3; silver chloride AgCl; sodium chloride NaCl; sodium nitrate NaNO3. Which two of these compounds are made from three different elements?
[2 marks]
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Modelled on Cambridge Checkpoint 0893 · October 2025 · Paper 2 · Q2(c)