Question

name the two element which are present in both CNG and petroleum.

Answer 1

petrol and CNG both are having carbon

Answer 2

$\color{blue}\huge\underline {\:HEY\:MATE}$

Here is your answer..

The two elements which are present in both CNG[compressed natural gas] and Petroleum are
$\color{black} \bold{\:CARBON\:AND\:HYDROGEN}$.

Hope it helps you.
#Platz ✌️