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  1. B

    Practical assesment task

    me either, I can not find the procedure to do the pratical: to compare the rate of corrosion of iron and identified form of steel. anyone help me, please.:worried:
  2. B

    the discharge tube.

    :worried: , hello , please help me to answer these questions. I can't find them on Internet. In the discharge tube with a fluorescent display screen: -explain why the beam of electrons becomes visible? -Explain the effect of magnet using the motor effect and the left hand rule? In the...
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