Science

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Across
  1. 3. -Mixtures are nonuniform in composition. Many of its components can be distinguished from one another.
  2. 4. -An aromatic ether alcohol used as preservative in cosmetics, ointments, toiletries and wipes.
  3. 9. -A petroleum derivative used to maintain moisture in products. It can penetrate the skin to weaken protein and cell structure.
  4. 13. -Render soaps and detergents capable of lowering the surface tension of water, which allows them to wet the surface to be cleaned.
  5. 14. -Is the method that generally used by the farmers to separate the grains from the stalks after harvesting.
  6. 17. -Commonly the mechanical or physical operation which is used for the separation of solids from fluids by interposing a medium through which only the fluid can pass.
  7. 18. -It is the major lipophilic antioxidant in skin and it is the most commonly used natural antioxidant in topical formulations.
  8. 19. -a process in which a liquid changes into gaseous form on heating. Allowing the liquid to evaporate, leaving the soluble sold behind.
  9. 20. -These are chemical agents designed to destroy bacteria and viruses by interfering with their metabolism or destroying their cell walls.
Down
  1. 1. -This method is used to separate lighter husk from heavier grains like wheat.
  2. 2. -Components are evenly mixed.
  3. 5. -The process in which a solid turns into a gas without becoming a liquid or vice versa.
  4. 6. -These are substances that damages the brain cells or the nerves which carry signals around the body
  5. 7. -anything intended to be applied to the human body for cleansing, beautifying, promoting attractiveness etc
  6. 8. -Helps clean and whiten surfaces by generally lowering the stability of the chemical bonds in stain molecules. It can convert dirt into particles that can be easily washed away in conjunction with use of detergents
  7. 10. -a process which separates a pure solid in the form of its crystals from a saturated solution.
  8. 11. -Used to separate suspended particles of a substance from a liquid.
  9. 12. -The process by which a mixture is separated by heating a solution and condensing using a cooling tube
  10. 15. -a process which speeds up sedimentation by adding aluminum sulfate aka alum.
  11. 16. -Also known as ascorbic acid or simply ascorbate.