7. Oliver heated a lquid in a casserole. He forgot to turn off the stove night away and the liquid was gone. He noticed that there were some sold materials which settled the surtace of the casserole. What can be inferred from this observation? The Squid was A a pure substance C. a mixture with dissolved solid materials B. composed of a single material D. a pure substance because it evaporated 8. Sodlum chloride dissolves in water very well. Which is NOT TRUE in the following statements? A Water is a pure substance. 8. Sodium chloride is a pure substance. C. Dissolving sodium chloride with water produces a mixture, D. Dissolving sodium chloride with water produces a new substance.​