Q.11103: 18Ar⁴⁰, 19K⁴⁰ आणि 20Ca आहेत? |
18Ar⁴⁰, 19K⁴⁰ आणि 20Ca आहेत? - General Science in Marathi, Chemistry question answers in Marathi pdf questions in Marathi, Know About General Science online test General Science MCQS Online Coaching in Marathi quiz book