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  1. I bought non galvanised steel nails (they are called bright steel) and I have had them in my liquids (salt water and tap water) for a week now and instead of showing signs of rust they have just gone a grey colour. Do you know why? How can I adjust the experiment to make them actually rust? Thanks

  2. 25 Απρ 2017 · Add 1 cup of tap water to the first, 1 cup of salt water to the second, 1 cup of a carbonated lemon-lime soda to the third, 1 cup of pickle juice to the fourth container, 1 cup of orange juice to the fifth and 1 cup of white vinegar to the last cup.

  3. In the first case you would fill up something like square structural tube with the nails and a high carbon powdered steel (I don't know where you get that), inside coated with whiteout as a release agent and ends welded shut. In the second case, you make a little charcoal hearth/furnace and drop your nails in the top.

  4. 10 Νοε 2020 · Step 2: Add enough salt to the mixture to saturate the solution (the same way you would make really salty water). Mix the solution together, you can use the nail if it is long enough, or you can use a wooden skewer. If you use the nail to stir, you may see a rust color and bubbles start to appear.

  5. 11 Απρ 2018 · Place one nail in each test tube or cup. Add a different liquid to each test tube or cup. For example, if you have six containers you could add cooking oil, tap water, vinegar, lemon juice, salt water and detergent. Write down what liquid is in each container. Over several days, take regular notes on each nail's condition.

  6. 4 Ιουλ 2024 · Make a paste using baking soda. Mix baking soda with water until it is thick enough to spread on the metal. Allow time for it to set and then scrub off with a soft bristle brush.

  7. The second experiment allows the students to observe nails rusting in four different liquids. A sponge is placed in each of four bowls. Tap water, distilled water, saltwater, and vinegar are used to test the rusting process. Students again predict which nail will rust the most.

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