11. Based on the information in the passage, which of the following could be the chemical formula for an OFC ?
Your Answer is
Correct Answer is A
Explanation
Look at the first and second lines of the first paragraph of the article. Oxyfluorocarbons (OFCs) are oils composed of only carbon(C), fluorine(F), and oxygen (O). Only C, F, O are included, so B & D, because there is H in it;
Exclude C, because there is Cl in it