This Guide will help you out in setting multiple home pages which show up when your browser starts up.
1. Open Google Chrome ( Ensure you are using latest version of Google Chrome ). Click on Customize and Control Google Chrome button. Click on settings.
2. In setting go to On start Up setting. Select Open specific page or set of pages. Now click on Set Pages.
3. Easiest will be to keep open all websites which want to open up at start up beforehand. Now simply click on Use current pages. Or use can enter pages manually.