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  1. H

    Related material 4 changing perspective

    Does anyone have any good related material for changing perspective?
  2. H

    Industrial Chem Elective Anyone???

    To test for hydrogen gase you undertake the pop test with a match and a test tube - lighting the H in a test tube should make a pop noise!
  3. H

    photoelectric/photovoltaic??

    photo voltaic/electric The photoelectric effect is the effect of an electric being displaced be a photon of a particular frequency, there is no photovoltaic effect - you are thinking of a photovoltaic cell which utilyses the photelectric effect to convert light energy to electrical energy, Eg a...
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