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  1. M

    Past HSC Solutions

    Hello everyone, I just want to ask whether there is any HSC MX2 solutions pre 2000? And also, what books out there provide these solutions? Thanks :)
  2. M

    Galvanic Cell

    Hi, can someone please explain what is happening if the electrolyte is NaCl? What is the redox reaction happening? How come there is a potential difference? And in a normal galvanic cell with two metal electrolyte, say Zn and Cu and two electrolyte, what will happen if i use something (e.g...
  3. M

    Complex Numbers (Locus)

    Hi, can someone please help me with the following question: Graph r = theta where r is the distance from 0 and theta is any angle in [-pi < theta <= pi]. Thanks! :)
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