Reply To: What is isotonic solution?? Share this post: Share on Twitter Share on Facebook Share on LinkedIn Share on Email Share on WhatsApp Share on Telegram October 18, 2020 at 12:45 pm #1781 Sneha PatelParticipant Isotonic- external environment and internal environment both concentration are equal.with present of semipermeable member. eg- 0.9 % NS. Share this post: Share on Twitter Share on Facebook Share on LinkedIn Share on Email Share on WhatsApp Share on Telegram