Record your observations daily. Compare what is in the water with the corrosion results. Aim: To investigate how different concentrations of sodium chloride affect the rate of corrosion on iron nails. There isn't much research on the subject. The water had changed due to the presence of rust. Extreme corrosion and rust e evident. The aluminium foil got lighter in color and started to fade, disintegrate and fall apart in a few places. Practical and results for a rusting experiment. We used water & pickle juice in one container, and in the other we used vinegar & water. You are likely to start seeing results within 24 hours. Pre-Lab Discussion. Observe the corrosion of iron and investigate conditions related to corrosion. Add the weight of the rust to the nail it came from. Experiment involves the corrosion of nails in Coke, lemon juice, oil and water. Steel Nail Significant changes in the level of corrosion. Aluminium Foil Some changes were observed. Gas bubbles appear around the magnesium ribbon. In the test tube A pour some water and close its mouth with the help of a cork. Purpose. Experiment 14.2 To prevent rusting . A blue colour appears, mainly around the head and tip of the nail. It is most commonly associated with rust, in particular the rusting of metals such as iron. This experiment is a component of the Year 11 Chemistry course, and was assigned as a Practical Assessment Task. A galvanized nail or screw has a zinc (obviously) finish. 2002. This experiment received a the following result: 95%+.A Year 11 chemistry experiment which involves the reaction of nails in different types of liquid. Over the next week, observe your experiment and record your observations. Then compare the weights of the nail(and any rust)at the end of the experiment and compare it with the nail's original weight. This website and its content is subject to our Terms and Conditions. Experiment to prove that air and water are necessary for rusting of iron Take three test tubes A, B and C and place one clean iron nail in each of them. Nail ‘1’ only. We are 6th graders doing a science fair project, on rusting nails. Discussion: If tube B shows the greatest signs of rusting, and tube C and D shows little to no rusting, then both water and oxygen is needed for rusting … 4. A discussion started in 2002 but continuing through 2020. Corrosion is an oxidation-reduction (redox) reaction in which a free metal is oxidized, or “corroded,” by some oxidizing agent. We investigated the experiment over 14 days (2 weeks). Iron corrosion… A stainless steel screw. No blue colour appears. The nails in tube “A” should remain rust-free, while the nails in tube “B” should begin to rust. 3. Rusting Nails student experiment and research. Rusting should be faster in Hong Kong where the humidity is high. Rusting occurs in nail ‘1’, but not in nail ‘2’. Formation of Rust Expected Results: The tube(s) that show the greatest signs of rusting has the conditions necessary for rusting to take place. Compare the results with those of experiment (b). 6. Make sure you do not mix the nails up! Results: Results in Summary The following tables are a summary of the results of the two experiments: EXPERIMENT 1 DAY 1 DAY 7 DAY 14 NAIL IN WATER Some rust starting Nail rusting Nail rusting more NAIL COVERED WITH VASELINE No rust Small amounts of rust Some rust NAIL IN NO WATER No rust To demonstrate that galvanic anodes through cathodic protection may also eliminate destructive galvanic corrosion, repeat experiment (e) using a partially copper plated nail in place of the bare iron nail. HELP! Q. Corrosion of Iron Experiment. Report what you see in regard to the nails and any rust and compare the results for each solution. Compare with the results of experiment (d). 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