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The figure shows a rusted iron machine. Chemically, rust is
The figure shows the apparatus set up to study the factors affecting the corrosion of iron. The rate of corrosion of the iron nail is highest if the metal container is made of
The figure shows the illustration of a bridge. Which of the following is the most suitable method used to prevent the pillar from rusting?
The figure shows 2 pieces of metal X and Y are put together in a hydrated gel. Given that metal X is more reactive than metal Y. Which of the statement below is true about the metals?
The figure above shows the set-up of the apparatus to investigate the factors affecting the corrosion of iron. In which test tube will the iron nail rust?
The diagram shows a water droplet on a piece of iron. Which of the following equations represent the reactions at the cathode?
An engineer plan to use sacrificial protections to control the rusting of some underground iron pipelines. Which of the following can be used as the sacrificial metal?