Explain how. Why do soft drinks have a pH of 3? What is the test that can be used in the laboratory to prove that water is pure? What is the effect of chlorine water on litmus paper? What are the two main steps used to treat water from lakes? What are the four origins of ...
Describe how on a molecular level the indicator phenolphthalein works in different transitions. Explain why the appearance of the wood flame is yellow whereas the gas flame most often appears blue. Explain why benzoic acid do not affect litmus paper?
Explain why one would recrystallize a solid from a solvent pair instead of a single solvent. Explain how it works in terms of solubilities. What were you observing when your ethanol - water solution b Why does sugar dissolve but not dissociate in water...