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Q9 An experiment was set up to investigate rusting. Some clean, shiny, iron nails were sealedin a glass bottle containing some tap water. The sealed bottle was then placed on a top-panbalance. The reading on the balance was 549.8 g.sealed bottletap waternails59989) OThe sealed bottle was left for one week. After one week the nails were rusty.(a) What would you expect the reading on the balance to be after one week?(b) Give reason for the above answer(c) Rust is an oxide of iron. Another oxide of iron is iron (III) oxide. Write a word equation forthe formalion of iron (III) oxide from its elements.(d) Name the type of reaction describes the formation of Iron (III) oxide from its elements?a) Combustion b) condensation c) decomposition d) oxidatione) What are the conditions necessary for the formation of rust? |
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Answer» uhuxnvzjgdigdigeirydauejfdaj,hgdjgaufriywyrsigshgdjbdjogxibcjvxiv,hgdigay |
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