ব্রাইন কি? July 12, 2023 by Mithu Khanব্রাইন কি?NaCl এর গাঢ় জলীয় দ্রবণকে ব্রাইন বলে। 5/5 - (2 votes)Mithu KhanI am a blogger and educator with a passion for sharing knowledge and insights with others. I am currently studying for my honors degree in mathematics at Govt. Edward College, Pabna.