which of the following is used in pencils ? Posted by: Atta Ullah Posted on: April 7, 2019 a. charcoal b. silicon c. phosphorus d. graphite✔Share this...FacebookPinterestTwitterLinkedinRelated posts:which from of phosphorus is used in safety matches ? Which of the following is used in Pencils ? Which chemical element has properties of a metal and non-metals? Which is the hardest among following? The element required for solar energy conversion is : The element present in the largest amount in rocks and minerals is: The element requie for changing sun light into power energy ?