Kopieren und bearbeiten

Purifying and Testing Water

Beschreibung

gcse Chemistry Mindmap am Purifying and Testing Water, erstellt von k m am 19/06/2013.
k m
Mindmap von k m, aktualisiert more than 1 year ago
k m
Erstellt von k m vor fast 11 Jahre
46
0
0

Zusammenfassung der Ressource

Purifying and Testing Water
  1. water
    1. lakes
      1. rivers
        1. reservoirs
          1. aquifiers
            1. wells
              1. bore holes
              2. uses
                1. drinking
                  1. washing
                    1. household jobs
                      1. industry
                        1. cooling
                          1. solvent
                            1. raw material
                          2. some parts of Britain: demand higher than supply
                          3. water treatment
                            1. to purify it
                              1. safe to drink
                              2. untreated contains
                                1. microbes
                                  1. pollutants
                                    1. insoluble particles
                                      1. dissolved salts and minerals
                                      2. process
                                        1. 1) sedimentation
                                          1. insoluble particles sink
                                          2. 2)filtration
                                            1. remove very fine particles
                                            2. 3) chlorination
                                              1. kill microorganisms
                                          3. water purification
                                            1. tap water contains soluble materials
                                              1. not removed in water treatment
                                              2. distilled
                                                1. lots of energy
                                                  1. expensive
                                                  2. huge amounts of energy would be needed to distil sea water
                                                    1. costly
                                                      1. expensive equipment
                                                        1. menas making drinking water from sea water is prohibited
                                                    2. pollution in water
                                                      1. nitrates
                                                        1. fertiliser
                                                        2. lead compunds
                                                          1. pesticides
                                                            1. spraying crops
                                                            2. difficult to remove
                                                            3. dissolved ions
                                                              1. dissolved ions of some salts: easy to identify
                                                                1. precipitation reactons
                                                                  1. insoluble solid from mixing 2 solutions
                                                                2. barium chloride
                                                                  1. detect sulfates
                                                                    1. form barium sulfate
                                                                      1. white precipitate
                                                                  2. silver nitrate
                                                                    1. detect halide ions
                                                                      1. chlorides
                                                                        1. white pecipitate
                                                                        2. bromides
                                                                          1. cream precipitate
                                                                          2. iodides
                                                                            1. pale yellow precipitate
                                                                      Zusammenfassung anzeigen Zusammenfassung ausblenden

                                                                      Möchten Sie kostenlos Ihre eigenen Mindmaps mit GoConqr erstellen? Mehr erfahren.

                                                                      ähnlicher Inhalt

                                                                      Introduction to the Atom
                                                                      Derek Cumberbatch
                                                                      Ionic Bondic Flashcards.
                                                                      anjumn10
                                                                      Chemical Symbols
                                                                      Keera
                                                                      Organic Chemistry
                                                                      Ella Wolf
                                                                      Chemistry GCSE Review - States of Matter, Particles, Atoms, Elements, Compounds and Mixtures
                                                                      Morgan Overton
                                                                      C1 Quiz
                                                                      Leah Firmstone
                                                                      Acids and Bases
                                                                      Sarah Egan
                                                                      Using GoConqr to study science
                                                                      Sarah Egan
                                                                      Electrolysis
                                                                      lisawinkler10
                                                                      Testing for ions
                                                                      Joshua Rees
                                                                      Acids and Bases
                                                                      silviaod119
                                                                      Bibliothek durchsuchen