Product Z is formed by the combination of X and Y, thus having a greater mass than X and Y separately. Furthermore, Z is a completely new product, thus cannot show the same properties as X and Y.
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Class IX Science MCQ Extra Questions Answers Class 9 Science Terminal Exams MCQ Solutions Class 9th Science Session 2022-23 9th Science Terminal Exam Based MCQ Extra Questions
In distillation, the separation of liquids is based on different boiling points.
On heating, the acetone starts boiling first and converted into vapours.
(i) The product A₂B shows the properties of substance A and B. (ii) The product will always have a fixed composition. (iii) The product so formed cannot be classified as a compound. (iv) The product so formed is an element.