CNG is made by compressing natural gas (which is mainly composed of methane, CH4), to less than 1 percent of the volume it occupies at standard atmospheric pressure. It is stored and distributed in hard containers at a pressure of 20â25 MPa (2,900â3,600 psi), usually in cylindrical or spherical shapes.
Definition of chromophore - an atom or group whose presence is responsible for the colour of a compound. Definition of chromophore - an atom or group whose presence is responsible for the colour of a compound.
Define chromatin: a complex chiefly of DNA and histone in eukaryotic cells that is usually dispersed in the interphaseâ¦ â chromatin in a sentence a complex chiefly of DNA and histone in eukaryotic cells that is usually dispersed in the interphase nucleus and condensed into chromosomes inâ¦