Prisijunkite
JAMB - Chemistry (1993 - No. 32)
It is not desirable to use lead tetraethyl as an anti-knock agent because?
it is expensive
of pollution effects from the exhaust fumes
it lowers the octane rating of petrol
it is explosive
Komentarai (0)
Prisijungti Norėdami komentuoti
Skelbimas
Leiskite javascript tinkamai įkelti šį puslapį
