CHEMISTRY REVIEW

1. the chemical name for rust is iron (III) …
6. the substance in which the solute dissolves is known as
7. water passes through filter paper and is called
9. alloy that are made up from copper and tin
11. a change where no new substance is formed
15. the particles in the … water have more kinetic energy which helps to break apart and dissolve the salt particles more effectively.
16. properties of chemical change that cannot go back to the original form is called
18. the substances listed on the left side of a chemical equation are
20. a mixture that is uniform throughout, like salt water.
22. method could be used to separate mixture different boiling points
23. mud is retained on filter paper and is called
24. two or more materials physically join together
25. alloy that are made up from copper and zinc
26. solution in a beaker has some undissolved solute lying on the bottom of the beaker is called

2. decanting is a technique used to separate a mixture based on
3. process for purifying the muddy water is
4. the process of coating iron with a layer of zinc to prevent rusting is called
5. a solid that forms out of a solution during a chemical reaction.
8. ... technique to separate colours in a food dye
10. the reddish-brown coating formed on iron when it reacts with oxygen and water.
12. a mixture where the different parts are easily visible.
13. steel are made up of iron and
14. the visual evidence of a chemical change often seen in vinegar and baking soda.
17. when a solid can be dissolve in a liquid it is called
19. change when a new substance is formed with different properties than the original substance it is called
21. the coffee powder dissolves in the hot water. In this example, the coffee powder is called
24. a ... could be used to separate sand and iron filings