Title Builder Beta See instructions

Welcome to Title Builder Beta.

This small piece of kit is designed to make building your Quiz, Crossword or Puzzle question more effective. It should make finding your question easier for others and, the easier it is to find, the more likely someone is to answer it!

To build an easy to find question title simply select the paper and quiz, enter the quiz number if relevant and fill in the Publication Date. Once you’re happy click “Build Title” and the information should populate the Title field. Fill in the final required details of your question as you normally would, and click submit.

As this is a Beta we only have a limited number of papers and quizzes listed. If you think your favourite Quiz, Crossword or Puzzle should be listed here don’t hesitate to contact us.

Remember: You do not have to use the title builder - simply enter the title and question as you normally would and click submit!

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steel/rust rusts quicker in warm water or salt water

margejustmight | 18:14 Sun 29th Jan 2012 | Quizzes & Puzzles

5 Answers

Any teachers out there: Science homework. Please help. Steel/iron rusts quicker in warm water or salt water? and why?
Many thanks

MOS Rewards Club - Spare number

times 4470

Answers

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gen2

Try these facts.
Oxygen is needed for rusting as well as water.
Solubility of gases in water decreases as temperature rises.

gen2

You may have been better if you had posted this in the 'SCIENCE' section of this site.

jomifl

The presence of an electrolyte enables electrolytic cellstodevelopon the surface of the steel.
Steel is not a pure metal but an alloy of several metals plus a few impurities

jomifl

^'cells to develop on' grrrrr.

margejustmight

Question Author

Thanks gen2 and jomifl

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