Which is the closest synonym for the word additive, as it is used in the Article? Alternative
B. Poison
C. Byproduct
D. Ingredient

b

Explanation:

i think :D

first one is the correct answer

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.