21. Which graph correctly shows the trend of boiling point for a pure substance? 02.dostixe svou 22. Which graph correctly shows the trend of boiling for a mixture? giv leuten s to mulov Istot ad 23. Which of the following statements distinguishes pure substance from mixtures? a. Can be separated by physical means gouloc. have no specific boiling and melting points b. Consist of two or more kinds of matter d. have constant boiling & melting temperature
