Chemistry · Oct / Nov 2024 · Paper 11 · Question 3
5070Elements, compounds and mixtures
X and Y are both elements, one of which is a non-metal. 1 mole of X is added to 1 mole of Y and they are heated together. X and Y react completely to form substance Z. Substance Z cannot be easily separated to form X and Y. Three statements are given. 1 Y must be the non-metal. 2 X and Y formed a compound on heating. 3 Substance Z has the empirical formula XY. Which statements are correct?
- A1 and 3
- B1 only
- C2 and 3
- D2 only
As printed in the paper
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Correct answer: C. 2 and 3
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