In the fluid catalytic cracker (FCC), the cracking reaction is
__________ (i) and the regeneration is__________ (ii) __________.
(A) (i) exothermic (ii) endothermic
(B) (i) exothermic (ii) exothermic
(C) (i) endothermic (ii) endothermic
(D) (i) endothermic (ii) exothermic
__________ (i) and the regeneration is__________ (ii) __________.
(A) (i) exothermic (ii) endothermic
(B) (i) exothermic (ii) exothermic
(C) (i) endothermic (ii) endothermic
(D) (i) endothermic (ii) exothermic