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tests (add sodium hydroxide (colored ppt (manganese (let stand…

- - - - lithium
        
        bright red
      - potassium
        
        lilac
      - calcium
        
        orange
      - strontium
        
        red
      - sodium
        
        yellow
  - - - no change
        
        fresh sample add potassium iodide
        
        bright yellow ppt
        
        lead
        
        flame test
        
        no color
        
        magnesium
        
        color
        
        barium
      - ppt redissolves
        
        aluminium
  - - - green
    - - red
    - - blue
    - - grey
    - - brown
      - let stand
        
        brown/black
    - - light blue
      - let stand
        
        dissolves in excess
        
        green
    - - dark blue
      - let stand
        
        pink/brown