questionmark.gifmulti-word fill quiz 8Fwf4 on "Compounds and mixtures"
(a doc brown worksheet for QCA KS3 science-chemistry)

Site Meter* Do online OR printout, do, return to check answers. * KS3 Science Index * EMAIL comment?query * Doc Brown's Chemistry updated June 11th 2009 *

   1      2      3      4      aluminium      calcium      chloride      chlorine      copper      dioxide      MgO      NaCl      O      oxide      oxygen      sodium   
Complete the following table ...
NAMES of reactants and productsFORMULA of productATOMS of each element in product
1. magnesium + ==> magnesium oxide1Mg and 1O
2. sulphate (from a salt preparation)Na2SO4Na, S, O
3. aluminium + ==> AlClAl and 3Cl
4. sodium + oxygen ==> sodium Na2ONa and O
5. carbon + oxygen ==> carbon CO2C and O
6. copper + sulphur ==> sulphideCuS2Cu and S
7. carbonate (from limestone rock formation)CaCO3Ca, C, 3
8. ammonium nitrate (from a salt preparation)NH4NO3N, H, O
9. sodium + chlorine ==> 1Na, 1Cl