With this tip or trick you can appear offline to some of your unwanted friends on Facebook Chat,so they were unable to talk with you.Facebook provide us a nice facility to choose the people with whom we want to talk.
It’s a hidden feature which can be enabled by following these steps:
Step 1: Open your Facebook account.
Step 2 : Click on the “Chat” option which is at the lower right side of your profile.
Step 3: There you will find a option to Choose “Friend List”.
Step 4: There you will find an option for creating a new list,Name it, for example, “Unwanted”.
Step 5: Now, select your Friends with whom you don’t want to chat.
Step 6: Set the status as offline for this chosen list.
You have done It.Enjoy..!