Chrome extensions have a special type of extension. They are of the format CRX which denotes its extension.
Some Google Chrome extensions can be inbuilt into the Chrome. They won't show as they provide only service.
Look in the Chrome store.
You can get all the list of extensions of a single screen. It is available in the extensions window of Chrome.
If you deleted one of the extensions in Google Chrome, you'll simply just need to go install it again. You can install it in the Chrome Web Store.
There is no bar of extension of the homepage of Chrome. You have to go to Settings, More tools and then extensions to get to it.
Google Chrome costs money for some extensions not all. Some extensions are free of cost to download.
Some Chrome extensions contain bugs in them. Because of these extensions, chrome generally crashes.
Zwinky is an extension in Google chrome used. It can be disabled from MORE TOOLS<EXTENSIONS.
Extensions in Chrome are help to the services that are used. They can be used and viewed in the tools option in the browser.
No, Google extensions do not ban you from Facebook. They work independently of each other anyway.
Chrome doesn't have a built in way to block sites. However, there are third party Chrome extensions such as Chrome Nanny which do block sites. These can be found in the Google webstore.
You cannot change the font-style of Chrome inbuilt. However there are extensions of Chrome which can do that.