YEAR 10 REVIEW Material World – Acids and Materials.

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Presentation transcript:

YEAR 10 REVIEW Material World – Acids and Materials

1. All matter is made up of atoms. Label the parts of the atom. 1. Nucleus 2. Proton 3. Neutron 4. Electron 5. Shell Hint: the red particles are positive A B C D E E C A D B

2. Fill in the missing symbols and names of the elements. Hydrogen Chlorine HeK LithiumSilicon BerylliumSodium BMg CarbonFluorine NO AluminiumSulfur

3. Work out what type and how many atoms are in a compound by looking at its formula. 4  H 2 O = 2 x H and 1 x O  CO 2  2FeS  C 6 H 12 O 6  3O 2  MgCl 2  Ca(OH) 2 = 1 X C and 2 X O = 3 = 2 X Fe and S X O = 2 = 6 X C and 12 X O and H X 12= 24 = 3 X 2 X O = 6 = 1 X Mg and 2 X Cl = 3 = 1 X Ca and 2 X O and 2 X H = 5

4. Complete the following word equations.  Acid + __________  salt + water  Acid + __________  salt + water + carbon dioxide  Acid + __________  salt + hydrogen gas Hint: use metal, carbonate, and base Metal Carbonate Base

6. Name 3 acids and 3 bases. Acids Lemon juice Bile in stomach Vinegar Bases Clothes washing powder Baking soda Soap

7. Where would you find acids, bases and water on the pH scale? SStrong acids – pH = 0 WWeak acids – pH = 6 WWater – pH = 7 WWeak bases – pH = 8 SStrong bases – pH = 14

8. Match the test with the gas it tests for. 1. Hydrogen 2. Oxygen 3. Carbon dioxide A. Limewater will change from clear to white; a lit splint will go out B. A lit splint blown out will relight C. ‘pop’ test – a flame goes out with a ‘pop’ C B A

9. Give a use and a reason for that use for each metal listed. MetalUseReason Gold Copper Mercury Chromium Aluminium

10. What is needed for complete combustion?  Lots of oxygen

11. What are the products of complete combustion? Incomplete combustion? Hint: What colour forms on the bottom of a beaker if it is held over a yellow flame?