GCSE Chemistry

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Author:
ghoran
ID:
146021
Filename:
GCSE Chemistry
Updated:
2012-04-06 09:52:43
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limestone xxxxxxxxxxxx
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limetsone xxxxxxxxxxxxx
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  1. what is the general word equation for an acid + a metal carbonate
    metal carbonate + acid ====> salt + water + carbon dioxide
  2. what is the name of the salt produced from hydrochloric acid
    chloride
  3. what is the name of the salt produced from sulfuric acid
    sulfate
  4. what is the name of the salt produced from nitric acid
    nitarte
  5. what is the name of the salt produced from ethanoic acid
    ethanoate
  6. write a balanced symbol equation and word equation for each of the following carbonates reacting with hydrochloric acid
    magnesium carbonate , copper carbonate ,
    • magnesium+hydrochloric =>magnesium+water+carbon
    • carbonate acid chloride dioxide
    • MgCO3 + 2HCL ==> MgCl2+H2O+CO2
    • copper+hydrochloric acid=>copper+water+carbon
    • carbonate chloride dioxide
    • CuCO3 + 2HCL ==>2+H2O+CO2
  7. write a balanced symbol equation and word equation for each of the following carbonates reacting with sulphuric acid
    zinc carbonate
    • zinc carbonate + sulphuric acid => zinc sulfate + water + carbon dioxide
    • ZnCO3+H2SO4==> CO2+ H2O + ZnSO4
  8. write a word equation for each of the following carbonates reacting with nitric acid
    calcium carbonate
    calcium carbonate + nitric acid ==> calcium nitrate + water + carbon dioxide
  9. write a word equation for sodium carbonate reacting with ethanoic acid
    sodium carbonate + ethanoic acid ==> sodium ethanoate + carbon dioxide + water
  10. what effect does acid rain have on limestone building and statues . write down a balanced symbol equation
    • acid rain wares down limestone
    • CaCO3+2HCl ===> CaCl2+ H2O + CO2
  11. How is acid rain formed
    There are three main causes of acid rain, but both are due to the same gases being released into the atmosphere. Acid rain is caused by the two main air pollutants, sulfur dioxide and nitrogen oxide. When these gases come into contact with the hydrogen and oxygen molecules in water they combine to form a weak acid. The major cause of acid rain is air pollution by burning fossil fuels, smelting metals and motor vehicles. Acid rain can also be caused naturally by the eruption of a volcano. When a volcano erupts it produces a large amount of sulfur dioxide and it is not uncommon to have acid rain. Acid rain can also be caused by lightning strikes as these naturally produce nitrogen oxide.
  12. how is nitrogen oxide and sulphur dioxide released into the atmosphere
    air pollution by burning fossil fuels, smelting metals and motor vehicles. When a volcano erupts it produces a large amount of sulfur dioxide. lightning strikes naturally produce nitrogen oxide.
  13. when the metal carbonates reacted with hydrochloric acid they formed :
    a metal chloride , water and carbon dioxide
  14. when the metal carbonates reacted with hydrochloric acid they formed a metal chloride , water and carbon dioxide (we know carbon dioxide was produced because : ---------------------------- )
    it made the limewater go cloudy

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