Q164. The time required for 90% completion of a first-order reaction is approximately:Chemistry — NUST Mock By IBAGRADS 1 — Question 164 of 200A. 1.1 times the half-lifeB. 2.2 times the half-lifeC. 3.3 times the half-lifeD. 4.4 times the half-lifePractice more Chemistry MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →