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Chemistry — KCSE 1995Paper 1
📚 Topic: Solubility
Question 21📚 Topic: Solubility
KCSE 1995 • CHEMISTRY PAPER 1 • QUESTION 21
Topic: Solubility and Solubility Curves
Sub-topic: Effect of Temperature on Solubility
Sub-topic: Effect of Temperature on Solubility
21. The table shows how solubility of some substances in water varies with temperature.
| Substance | Solubility at 0°C | Solubility at 20°C | Solubility at 40°C | Solubility at 60°C |
|---|---|---|---|---|
| (g/100cm³ of water) | ||||
| W | 0.334 | 0.16 | 0.097 | 0.0058 |
| X | 27.60 | 34.0 | 40.0 | 45.5 |
| Y | 35.70 | 36.0 | 36.6 | 37.3 |
Which of the above substances is likely to be a gas? Explain. (2mks)
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