Question
Iron sheet kept in moist air covered with rust. Rust
isÂSolution
Rust is an iron oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture 4Fe+2Oâ‚‚  +x Hâ‚‚ O → 2Feâ‚‚  O₃ - x H₃ O Hence rust is a compound.Â
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NIE, QLH, TOK, WRN, ...
Read the directions carefully and answer the following question.
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18 32 60 116 228 ?
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(NOTE : Operations should be performed ...
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(8, 6, ...
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The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are f...
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