Title তড়িৎ রসায়ন -MCQ-Practice-Sheet_Without-Solve.pdf ✅

2  Chemistry 2nd Paper Chapter-4 22. wb‡¤œi NaCl `aeY ̧‡jvi g‡a ̈ †KvbwUi Av‡cwÿK cwievwnZv m‡e©v”P? [JUST 19-20] 0.01 M NaCl 0.02 M NaCl 0.3 M NaCl 0.5 M NaCl 23. ZvcgvÎv evovi mv‡_ mv‡_ †KvbwUi we`y ̈r cwievwnZv ev‡o? [BSMRSTU 16-17; HSTU 14-15] Fe Ag Cu Si 24. Zwor we‡køl ̈ c`v‡_© wK‡mi mvnv‡h ̈ Zwor cÖevn N‡U? [HSTU 16-17] Avqb wbDUab B‡jKUab †cÖvUb Zwor ivmvqwbK mvwi 25. wb‡Pi †Kvb ZworØviwUi cÖgvY weRviY wef‡ei gvb me‡P‡q Kg? [DU 20-21] H + (aq)/H2(g),Pt Cu2+(aq)/Cu(s) Na+ (aq)/Na(s) Pt(s)/F(g)/F– (aq) 26. †jvnv‡K gwiPvi nvZ †_‡K iÿvi Rb ̈ †Kvb avZzi cÖ‡jc †`qv nq? [DU 10-11] Zn Pb Hg Ti 27. wb‡¤œi †Kvb B‡jK‡UavWwUi cÖgvY weRviY c‡Ubwmqvj m‡ev©”P? [DU 07-08, 06-07, 04-05] H + (aq)/H2(g), Pt Cu2+(aq)/Cu(s) Na+ (aq)/Na(s) Pt, F2 (g)/F– (aq) 28. wb‡Pi †Kvb A·vBW‡K nvB‡Wav‡Rb M ̈vm Øviv weRvwiZ Kiv hv‡e? [DU 04-05; KUET 06-07] Al2O3 MgO CuO Na2O 29. wb‡Pi †KvbwU Kg wewμqvkxj avZz? [MAT 20-21] Chromium Silver Platinum Gold 30. GKm‡1⁄2 GKvwaK Avqb _vK‡j we‡køl‡Yi mgq wb‡Pi †Kvb AvqbwU Av‡M PvR©gy3 n‡e? [MAT 02-03] Mg2+ Ca2+ Li+ Al 3+ 31. †jvnv‡K gwiPvi nvZ †_‡K iÿvi Rb ̈ †Kvb avZzi cÖ‡jc †`qv nq? [MAT 04-05] Zn Pb Hg Ti 32. wb‡Pi †KvbwU me‡P‡q kw3kvjx? [DAT 17-18] Al Zn Fe Li 33. M ̈vm B‡jK‡Uav‡W wb‡Pi †Kvb avZzhyMj e ̈eüZ nq? [DAT 17-18] Fe, Au Cu, Pt Pt, Au Ag, Au 34. me©vwaK weRviY ÿgZv Kvi? [AFMC 22-23] Li Na K H 35. †KvbwU AwaK Zxea weRviK? [AFMC 22-23] Al Li N Na 36. †KvbwU Kg mwμq avZz? [AFMC 22-23] Cu Hg Au H 37. wmjfvi‡K Cu(NO3)2 `ae‡Y ivL‡j wK N‡U? [JUST 18-19] Cu Ag AgNO3 †Kv‡bv wewμqv nq bv 38. Zwor we‡køl‡Y †KvbwU Av‡M PvR© gy3 n‡e? [JU-D 22-23] Pt2+ Cu2+ Cd2+ Mn2+ 39. †Kvb Avqb mn‡R PvR© hy3 nq? [JU-D 22-23] Cu2+ H + Ag+ Au3+ 40. HCl †_‡K H2 †K cÖwZ ̄’vcb Ki‡Z cv‡i bv †KvbwU? [JU-D 21-22] Pb Mn Mg Cu 41. †KvbwU `ye©j RviK? [JU-D 21-22] Ag Co Cr Fe 42. wóg †_‡K H2 †K cÖwZ ̄’vcb Ki‡Z cv‡i †KvbwU? [JU-D 21-22] Ag Pb Cd Co 43. P, Q, R I S avZymg~‡ni cÖgvY weRviY wefe h_vμ‡g: – 3.05 V, – 1.66 V, 0.40 V I 0.80 V n‡j †KvbwU AwaKZi mej weRviK? [JU-D 17-18; SUST 15-16] P Q R S

4  Chemistry 2nd Paper Chapter-4 61. †h †Kv‡l Zwor kw3‡K ivmvqwbK kw3‡Z iƒcvšÍwiZ Kiv nq Zv‡K ejv nqÑ [BUET 13-14] Zwor we‡køl ̈ †Kvl M ̈vjfvwbK †Kvl R¦vjvbx †Kvl W ̈vwb‡qj †Kvl 62. cUvwkqvg bvB‡UaU Gi GKwU Rjxq `aeY‡K Zwor we‡kølY Ki‡j wb‡¤œi †Kvb M ̈vm/M ̈vmmg~n Drcbœ nq? [BUET 13-14] H2/NO2 O2/NO2 NO2 H2/O2 63. eavBb‡K Zwor we‡kølY Ki‡j Kx Drcbœ nq? [MAT 18-19; JU-D 22-23] NaCl NaOH NaO NaHCO3 64. wb‡Pi †KvbwU Zwor Awe‡køl ̈? [MAT 06-07] NaCl `aeY HF `aeY CH3COOH C12H22O11 `aeY 65. †mvwWqvg †K¬vivB‡Wi (NaCl) m¤ú„3 Rjxq `aeY wb‡¤œi †KvbwU? [MAT 02-03] Kvb©vjvBU KvqvbvBU eavBb wmjfvBb 66. wb‡¤œi †KvbwU we`y ̈r we‡køl‡Yi cÖ‡qvM bq? [DAT 03-04] avZz weï×KiY avZz •Zwi we`y ̈r gy`aY avZz wb®‹vkb 67. †Kvb †Kvl Zwor kw3‡K ivmvqwbK kw3‡Z iƒcvšÍi K‡i? [JU-D 22-23] Zwor we‡køl ̈ †Kvl M ̈vjfvwbK †Kvl R¦vjvwb †Kvl †Wwb‡qj †Kvl 68. †Kvb ai‡bi Zwor †Kv‡l REDOX wewμqv nq bv? [JU-D 20-21] Ni-Cd e ̈vUvwi H2 dz‡qj †mj Li e ̈vUvwi †KvbwUB bq 69. wbw®Œq B‡jK‡Uav‡W NaOH Gi Rjxq `aeY‡K Zwor we‡kølY Ki‡j A ̈v‡bv‡W wK Drcbœ n‡e? [JU-D 22-23] O2 OH– Na H2 70. Zwor we‡kølY †Kv‡li K ̈v‡_v‡W msNwUZ nIqv m¤¢e- [JU 11-12; BSMRSTU 14-15; RU 13-14] Na  Na+ + e– K + + e–  K Cl – – e –  1 2 Cl2 †KvbwUB bq 71. †mvwWqvg †K¬vivB‡Wi Rjxq `aeY‡K Zwor we‡kølY Ki‡j Drcvw`Z nq- [RU-H 17-18] K ̈v‡_v‡W †mvwWqvg, A ̈v‡bv‡W †K¬vwib A ̈v‡bv‡W Aw·‡Rb, K ̈v‡_v‡W †mvwWqvg A ̈v‡bv‡W †K¬vwib, K ̈v‡_v‡W nvB‡Wav‡Rb K ̈v‡_v‡W nvB‡Wav‡Rb, A ̈v‡bv‡W Aw·‡Rb 72. cøvwUbvg B‡jK‡UavW e ̈envi K‡i cvZjv mvjwdDwiK Gwm‡Wi Zwor we‡kølY A ̈v‡bv‡W cÖvß Dcv`vbwU n‡jv- [DU-Techno 20-21] H2S(g) SO2(g) O2(g) H2(g) 73. eavBb `aeY‡K Zwor we‡kølY Kiv n‡j wb‡Pi †KvbwU Drcbœ n‡e? (i) Cl2 M ̈vm (ii) H2 M ̈vm (iii) O2 M ̈vm (iv) NaOH (aq) wb‡Pi †KvbwU mwVK? [KUET 18-19] i, ii i, iii i, iv ii, iv i, ii, iv 74. GKwU B‡jK‡UavjvBwUK †Kv‡l wbw®Œq ZwrØv‡ii Dcw ̄’wZ‡Z †mvwWqvg †eavgvBW Gi Rjxq `ae‡Yi ga ̈ w`‡q Zwor we‡kølY Kiv n‡j Drcbœ n‡e? [KUET 15-16] Na Ges Br2 Na Ges O2 H2, Br2 Ges NaOH Na Ges H2 H2 Ges O2 Zwor we‡kølY I d ̈viv‡Wi m~Î 75. CuSO4 Gi Rjxq `ae‡Y 0.5 A ̈vw¤úqvi ZworcÖevn 10 wgwbU hver Pvjbv Ki‡j Kx cwigvY Kcvi Rgv n‡e? [DU 18-19] 0.0987 g 0.0897 g 0.0798 g 0.0789 g 76. AgNO3 `ae‡Y 1 amp we`y ̈r 1 wgwbU a‡i Pvjbv Ki‡j Kx cwigvY Ag avZz mwÂZ n‡e? [DU 17-18] 108  60  96500 g 60  108  96500 mg 108 96500 g 60  108  96500 kg 77. MwjZ NaCl Gi ga ̈ w`‡q 1F Zwor Pvjbv Ki‡j K ̈v‡_v‡W RgvK...Z Na Gi cwigvY n‡”Q- [DU 17-18, 08-09] 2.3 g 23.0 g 46.0 g 11.5 g 78. CuSO4 `ae‡Y 1.0 F we`y ̈r PvR© cÖevwnZ Ki‡j KZ †gvj Kcvi Rgv n‡e? [DU 14-15] 0.5 mole at cathode 0.5 mole at anode 2 mole at anode 2 mole at cathode