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Diagram to the right shows a simple cell. Which of the substances below undergoes reduction reaction in the cell?
The figure shows the apparatus set up of a chemical cell.
Which of the following is true?
The figure above shows a set-up of apparatus of a redox reaction. Which of the following statement are not correct?
The diagram shows an experiment of transferring electron at a distance. Which of the following statements are true about this experiment?
The diagram shows the apparatus set-up of an experiment to study a redox reaction. At the end of the reaction, the orange colour of potassium dichromate (VI) solution turn green and potassium iodide turn orange. Which of the following statement explains the changes of colour in the experiment?
The diagram to the right shows the set-up of the apparatus used to study the transfer of electrons at a distance.
A student found that the reading of the galvanometer is zero. This is because