3. Which of the following statements distinguishes pure substances from matures A. Can be separated by physical means. 8. Consists of two or more kinds of matter C. Have no specific solubility and densities D. Have constant boiling temperature and melting temperature

4. What does it indicate when a sugar is heated in a test tube until it is completely changed into a black mass and droplets of water? A. Compound B. Element C. Mixture D. Solution

5. What substance is made by mixing two elements without being chemically combined? A. Compound B. Element C. Mixture D. Solution

6. Which is NOT a technique to separate components of mixture? A. Condensation B. Distillation C. Evaporation D. Filtration

7. Which of the following is a heterogeneous mixture? A. AR B. Olin water C. Stainless steel D. Soft drink

8. Which is true regarding water? A. Compound of element B. Element of gases C. Mixture of gases D. Substances of gases

9. To separate salt from water in a seawater máxture, what process is used? A. Condensation B. Disöllation C. Evaporation D. Filtration

10. Which of the following is a property of mixture? A. It has a definite composition. B. It consists of a single phase C. It has a heterogeneous composition. D. It can be chemically separated into its components.

11. Which of the following is a heterogeneous mixture? A. Air B. Oil in water C. Stainless steel D. Soft drink

12. What substance is made by mixing two elements without being chericaly combined? A. Compound B. Element C. Mxture D. Solution

13. Sodium chloride dissolves in water very well. Which is NOT TRUE in the following statements ? A. Water is a pure substance. e. 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

14. Which is true regarding air? A. Compound of gases B. Element of gases C. Mixture of gases D. Substances of gases

15. All are techniques which help to separate components of mixtures. Which of these is NOT? A. Condensation B. Distillation C. Evaporation D. Filtration
na babasa yung pic ah baka may mag reklamopa ah​