লবণ সেতুতে তড়িৎ বিশ্লেষ্যরুপে ব্যবহৃত হয় কোনটি?
Anonymous Quiz
59%
KCl, KNO3, NH4NO3
21%
KCl, K2SO4, Na2SO4
10%
KCl, NH4Cl, Na2CO3
11%
KCl, NH4Cl, NaNO3
😢10
মাটির pH কমানোর জন্য ব্যবহার করা যাবে
Anonymous Quiz
11%
CaO
56%
Ca(H2PO4)2
12%
CaCO3
20%
CaCO3.MgCO3
😢22
🔥6
Forwarded from Nusrat Jahan Iva
❤9
25°© তাপমাত্রায় বিশুদ্ধ পানির আয়নিক গুণফল
Anonymous Quiz
6%
1×10^-7
2%
5× 10^-6
81%
1×10^-14
11%
1×10^14
😢3
Forwarded from Nusrat Jahan Iva
😢5
🎉7
📚Text Book MCQ Solve
👉Hazari Sir ,Guha Sir,Kabir Sir
🤖Chemistry 1st Paper
📔Chemistry 1st Paper 2nd Chapter
📔Chemistry 1st Paper 3rd Chapter
📔Chemistry 1st Paper 4th Chapter
🤖Chemistry 2nd Paper
📔Chemistry 2nd Paper 1st Chapter
📔Chemistry 2nd Paper 2nd Chapter
📔Chemistry 2nd paper 3rd Chapter
📔Chemistry 2nd paper 4th Chapter
👉Hazari Sir ,Guha Sir,Kabir Sir
🤖Chemistry 1st Paper
📔Chemistry 1st Paper 2nd Chapter
📔Chemistry 1st Paper 3rd Chapter
📔Chemistry 1st Paper 4th Chapter
🤖Chemistry 2nd Paper
📔Chemistry 2nd Paper 1st Chapter
📔Chemistry 2nd Paper 2nd Chapter
📔Chemistry 2nd paper 3rd Chapter
📔Chemistry 2nd paper 4th Chapter
❤1
❤13
✅Chemistry 1st💫Chapter 3 (Set A)- Click Here
✅Chemistry 1st💫Chapter 3 (Set B)- Click Here
✅Chemistry 1st💫Chapter 3 (Set C)- Click Here
✅Chemistry 1st💫Chapter 3 (Set D)- Click Here
✅Chemistry 1st💫Chapter 3 (Set E)- Click Here
✅Chemistry 1st💫Chapter 3 (Set F)- Click Here
✅Chemistry 1st💫Chapter 3 (Set B)- Click Here
✅Chemistry 1st💫Chapter 3 (Set C)- Click Here
✅Chemistry 1st💫Chapter 3 (Set D)- Click Here
✅Chemistry 1st💫Chapter 3 (Set E)- Click Here
✅Chemistry 1st💫Chapter 3 (Set F)- Click Here
Quiz Directory
☑️Chemistry 1💫Chapter 3💦
💫@Abstracted_Alif💦@confusingquestion2❄️ / 20 questions
❤1
তীব্র এসিড ও তীব্র ক্ষারেরে প্রশমন তাপ(heat of neutralization) ΔH এর মান কত?
Anonymous Quiz
23%
+57.32 kJ/mol
70%
-57.32 kJ/mol
5%
+52.32 kJ/mol
2%
-52.32 kJ/mol
❤5
নিচের কোনটির pKa এর মান সবচেয়ে বেশী?
Anonymous Quiz
41%
CH3COOH
40%
Cl2CHCOOH
6%
CLCH2COOH
13%
C6H5COOH
😢8
😢9
বেগুনী রশ্মির তরঙ্গদৈর্ঘ কত?
Anonymous Quiz
3%
570-500 nm
14%
450-500 nm
7%
500-570 nm
76%
400-450 nm
5% NaOH দ্রবনের ঘনমাত্রা (concentration) মোলারিটিতে কত?
Anonymous Quiz
65%
1.25 M
21%
0.25M
7%
0.80 M
7%
1.24 M
❤5
🔥3
শিখা পরীক্ষায় সোডিয়াম কি রঙ দেয়?
Anonymous Quiz
3%
নীল (blue)
3%
লাল (red)
12%
হলুদ (yellow)
82%
সোনালী হলুদ (golden yellow)
🔥9
Chromium (Cr) এর ইলেকট্রনিক কনফিগারেশন (electronic configuration) হলো-
Anonymous Quiz
72%
[Ar]3d54s1
15%
[Ar]4s23d4
11%
[Kr]4d55s1
2%
[Kr]4d45s2