Google chrome, still being a new browser and in the developmental stages, has no extension support and due to that, it is limited to open all the pop-up ads and pages which are unnecessary and not needed to the users. Here is a greasemonkey script that can help in blocking the ads in Google chrome -

Adblock+ is a Greasemonkey script for Google chrome browser which helps you block all the ads that pops out when you visit a website, and this works similar to the Adblock firefox add-on. Download the script from here, and press Alt + B to block all the ads.
Safari has the option to block the ads directly, and firefox has numerous add-ons to do the same but Chrome still lacks those, and this script works perfect.

Blogote has a tutorial on how to install Greasemonkey script on Google Chrome browser, that comes handy to install this Adblock script.
Check all other Google chrome tips and tricks!