11. Organic peroxides may be in the solid or liquid state . 12. SeOBr 2 is highly reactive, with most reactions taking place in the liquid state . 13. A distinctive property of the liquid state is surface tension, leading to wetting phenomena. 14. "' Liquid nitrogen "'is nitrogen in a liquid state at an extremely low temperature. 15. Chilling gas to a liquid state causes such impurities as butane to drop out. 16. The advantage of propane in cars is its liquid state at a moderate pressure. 17. Crystallized invert sugar solutions may be restored to their liquid state by gently heating. 18. Once it hits the saltwater, the gel returns to a liquid state and dissipates. 19. Gold reacts with both tin and lead in their liquid state , forming brittle intermetallics. 20. On that initial investigation, the temperature was and the water remained in a liquid state .
