অম্ল-ক্ষার দ্রবণের টাইট্রেশনের সমাপ্তি বিন্দুতে ফেনফথ্যালিন নির্দেশকের বর্ণ পরিবর্তনের pH সীমা কত?
Anonymous Quiz
11%
3.1-5.6
18%
5.8-7.5
67%
8.3-10
4%
8.5-13
🤩1
কোন যৌগটির গলনাঙ্ক ও স্ফুটনাঙ্কের মান সবচেয়ে বেশি?
Anonymous Quiz
47%
CaCl2
21%
FeCl2
14%
CuCl2
18%
ZnCl2
😢3
Chemistry Phobia।Exam Mate
Ca পরমাণুর সর্ববহিস্থ স্তরের ২ টি ইলেক্ট্রনের ৪ টি কোয়ান্টাম সংখ্যার সেট-
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❤3
😢6
🔥2
😢3
😢3
নিচের কোন সেটটিতে সম-আয়ন প্রভাব বিদ্যমান?
Anonymous Quiz
5%
HCl,CH4
75%
H2S,HCl
17%
CH3Cl,NaCl
3%
CaCl2,C6H5Cl
😢3
❤1
🤩2
😢2
😢3