Tiêu đề পরিমানগত রসায়ন CQ. MCQ. Pdf. ✅

cwigvYMZ imvqb  Final Revision Batch 1 cwigvYMZ imvqb Quantitative Chemistry Z...Zxq Aa ̈vq Topicwise Board Analysis eûwbe©vPwb cÖkœ UwcK 2017 2018 2019 2021 2022 2023 †gvU ivmvqwbK MYbv, †gvj msL ̈v 2 2 2 5 5 Ñ 16 mgxKiY wfwËK MYbv Ñ Ñ 2 Ñ 1 4 7 NbgvÎv 12 1 14 20 19 14 90 A¤øwgwZ, ÿviwgwZ, UvB‡Uakb, wb‡`©kK Ñ 1 5 7 5 5 23 RviY-weRviY, RviY-weRviY Aa©wewμqv, mgZvKiY 7 Ñ 7 14 14 16 58 m„Rbkxj cÖkœ UwcK 2017 2018 2019 2021 2022 2023 †gvU ivmvqwbK MYbv, †gvj msL ̈v Ñ Ñ Ñ Ñ 1 Ñ 1 mgxKiY wfwËK MYbv Ñ Ñ 1 1 1 1 4 NbgvÎv 12 1 12 13 15 14 67 A¤øwgwZ, ÿviwgwZ, UvB‡Uakb, wb‡`©kK 3 1 4 5 3 3 19 RviY-weRviY, RviY-weRviY Aa©wewμqv, mgZvKiY 10 2 12 20 14 17 75 *we.`a.: 2020 mv‡j GBPGmwm cixÿv AbywôZ nqwb| ACS Chemistry Department Gi g‡bvbxZ eûwbe©vPwb cÖkœmg~n ivmvqwbK MYbv, †gvj msL ̈v 1. 10% (w/w) Na2CO3 Gi Rjxq `ae‡Y cvwbi †gvj fMœvsk KZ? [e. †ev. 23] 0.0185 0.98 0.9815 0.9833 2. cÖgvY Ae ̄’vq 10 cm3 NH3 M ̈v‡mi fi KZ? [iv. †ev. 22] 5.583 × 10–3 g 6.589 × 10–3 g 7.589 × 10–2 g 7.589 × 10–3 g 3. GKwU Aw·‡Rb cigvYyi fi KZ? [Kz. †ev. 22] 2.66 × 10–23 g 3.76 × 10–23 g 1.33 × 10–22 g 1.88 × 10–22 g 4. 2H2O2(aq)  2H2O(l) + O2(g) GB wewμqvi gva ̈‡g 16 g O2 •Zwi‡Z KZ MÖvg H2O2 jvM‡e? [P. †ev. 22] 64 34 17 8.5 5. STP †Z 3.2 g GKwU M ̈vm 2.24 wjUvi AvqZb `Lj Ki‡j M ̈vmwU n‡Z cv‡i- [P. †ev. 22] Cl2 CO2 N2 O2 6. cÖgvY Ae ̄’vq 10.0 L CH4 M ̈v‡m AYyi msL ̈v KZ? [e. †ev. 22] 0.2689 × 1023 2.689 × 1023 26.89 × 1023 0.02689 × 1023 7. Aa©‡gvj CO2 M ̈v‡m Aw·‡Rb cigvYyi msL ̈v KZ? [wm. †ev. 22] 1wU 2wU 3.01 × 1023 wU 6.023 × 1023 wU 8. cÖgvY Ae ̄’vq 9.0 g cvwb‡Z KqwU nvB‡Wav‡Rb cigvYy _v‡K? [iv. †ev. 21] 6.023 × 1023 3.0115 × 1023 6.023 × 1021 12.046 × 1023 9. 1.8 kg cvwb‡Z KZ ̧‡jv nvB‡Wav‡Rb cigvYy we` ̈gvb? [h. †ev. 21] 6.023 × 1023 wU 12.046 × 1023 wU 6.023 × 1025 wU 12.046 × 1025 wU
2  HSC Chemistry 2nd Paper Chapter-3 10. STP †Z wb‡Pi †Kvb M ̈v‡mi GK wg.wj. Gi fi Kg? [h. †ev. 21] N2 O2 CO2 NO2 11. 32 g O2 Gi A_© n‡jv- [P. †ev. 21] i. 1 mol O2 ii. cÖgvY Ae ̄’vq 24.8 L AvqZb iii. A ̈v‡fv‡M‡Wav msL ̈vi mgvb AYy wb‡Pi †KvbwU mwVK? i i, ii i, iii i, ii, iii 12. 1wU bvB‡Uav‡Rb AYyi fi KZ? [mw¤§wjZ. †ev. 18] 2.32 × 10–26 kg 2.32 × 10–23 kg 4.65 × 10–26 kg 4.65 × 10–23 kg mgxKiY wfwËK MYbv 13. 50 g CaCO3 Gi Zvcxq we‡qvR‡b Drcbœ CO2 Gi fi KZ MÖvg? [Kz. †ev. 23] 11 22 44 88 14. A ̈v‡gvwbqvg †K¬vivBW I K ̈vjwmqvg A·vBW wewμqv K‡i STP †Z 44.8 L NH3 M ̈vm cÖ ̄‘Z Ki‡Z e ̈eüZ K ̈vjwmqvg A·vB‡Wi cwigvY KZ? [Xv. †ev. 23] 56 g 28 g 14 g 7 g 15. STP †Z 2 mol CaCO3 I HCl Gi wewμqvq Drcbœ CO2 M ̈v‡mi AvqZb KZ wjUvi? [w`. †ev. 23] 11.2 22.4 34.8 44.8 16. A·vwjK Gwm‡Wi ÿviKZ¡ KZ? [Kz. †ev. 21] 1 2 4 3 17. KZ MÖvg KClO3 †K DËß Ki‡j cÖgvY Ae ̄’vq 20 L Aw·‡Rb cvIqv hv‡e? [h. †ev. 19] 36.49 g 54.73 g 61.01 g 72.98 g 18. 95% (w/w) weï× Pzbvcv_‡ii 120 g wb‡q HCl Gwm‡W `aexf~Z Ki‡j STP-†Z KZ wjUvi CO2 M ̈vm cvIqv hv‡e? [w`. †ev. 19] 29.75 28.26 26.89 25.55 NbgvÎv 19. 0.5 mol L–1 H2SO4 `ae‡Y H + Gi NbgvÎv KZ wcwcGg? [Xv. †ev. 23] 10000 1000 100 10 20. 500 mL 0.05 M Na2CO3 `ae‡Y KZ MÖvg Na2CO3 _v‡K? [iv. †ev. 23] 2.65 5.30 6.30 10.60 21. 5% Na2CO3 `ae‡Yi NbgvÎv KZ †gvjvi? [Kz. †ev. 23] 0.98 0.89 0.74 0.47 22. 0.15 M NaOH `ae‡Yi ppm NbgvÎv KZ? [h. †ev. 23] 4000 5000 7000 6000 23. wb‡Pi †KvbwUi Rb ̈ (w/w) cÖ‡hvR ̈? [h. †ev. 23] †gvjvwiwU †gvjvwjwU bigvwjwU digvwjwU 24. †Kvb †hŠMwU †m‡KÛvwi ÷ ̈vÛvW© c`v_©? [P. †ev. 23; h. †ev. 21; P. †ev. 21] Na2CO3 K2Cr2O7 Na2C2O4 KMnO4 25. †KvbwU cÖvBgvwi ÷ ̈vÛvW© c`v_©? [e. †ev. 23] KMnO4 NaOH K2Cr2O7 HCl 26. 100 mL 0.01 M K2Cr2O7 `ae‡Yi ppm NbgvÎv KZ? [e. †ev. 23] 2.94 29.4 294 2940 27. `ae‡Yi †Kvb GKKwU ZvcgvÎvi Dci wbf©ikxj bq? [wm. †ev. 23; iv. †ev. 22; Ky. †ev. 21] †gvjvwjwU †gvjvwiwU bigvwjwU wcwcGg 28. †Kvb `aeYwU `xN©w`b mwVKfv‡e msiÿY Kiv hvq? [w`. †ev. 23] KMnO4 NaOH K2Cr2O7 H2SO4
cwigvYMZ imvqb  Final Revision Batch 3 29. 50 mL `ae‡Y 4.9 g H2SO4 `aexf~Z Av‡Q| `aeYwUi NbgvÎv- [w`. †ev. 23] i. 1 M ii. 9800 ppm iii. 9.8 × 104 g/mL wb‡Pi †KvbwU mwVK? i, ii i, iii ii, iii i, ii, iii 30. 0.05 M H2SO4 `ae‡Yi NbgvÎv ppm GK‡K KZ? [iv. †ev. 22] 4500 4900 14500 14900 31. NaOH Gi 2.5% `ae‡Yi NbgvÎv ppm GK‡K KZ? [h. †ev. 22] 2.5 × 102 2.5 × 103 2.5 × 104 2.5 × 105 32. 100 mL †mwg‡gvjvi `aeY •Zwi‡Z Kx cwigvY Na2CO3 cÖ‡qvRb? [wm. †ev. 22] 0.53 g 1.06 g 5.30 g 10.60 g 33. 0.05 M Møy‡KvR `ae‡Yi NbgvÎv ppm GK‡K KZ n‡e? [wm. †ev. 22] 900 4500 9000 18000 34. †KvbwU †mwg‡gvjvi `aeY? [g. †ev. 22] 0.1 M 0.05 M 0.01 M 0.5 M 35. `ae‡Y †gvjvwiwUi GKK n‡”Q- [Kz. †ev. 22; g. †ev. 22] N V mol Kg mol L g L 36. ppm Gi †ÿ‡Î- [iv. †ev. 22; Kz. †ev. 21] i. 1 ppm = 1 g/m3 ii. 1 ppm = 1 mg/L iii. 1 ppm = 1 g/L wb‡Pi †KvbwU mwVK? i, ii i, iii ii, iii i, ii, iii 37. †gvjvi `ae‡Yi †ÿ‡Î cÖ‡hvR ̈- [Kz. †ev. 22] i. GwU GKwU cÖgvY `aeY ii. `ae‡Yi NbgvÎv 1 M iii. 1 L `ae‡Yi 0.1 †gvj cwigvY c`v_© `aexf~Z _v‡K wb‡Pi †KvbwU mwVK? i, ii i, iii ii, iii i, ii, iii 38. 200 ml 10% HCl `ae‡Yi NbgvÎv ppm GK‡K KZ? [Xv. †ev. 21] 5 × 104 1 × 105 5.48 2.74 39. `ae‡Yi NbgvÎv jNyKi‡Yi g~jwfwË n‡jv- [h. †ev. 21] `a‡ei fi `ave‡Ki AvqZ‡b `ae‡Yi AvqZb `a‡ei †gvj msL ̈v 40. 50 mL 0.5 M NaOH `aeY‡K †Wwm‡gvjvi `ae‡Y cwiYZ Ki‡Z KZ mL cvwb †hvM Ki‡Z n‡e? [P. †ev. 21] 250 mL 200 mL 150 mL 100 mL 41. cÖgvY `aeY †KvbwU? [g. †ev. 21] 1.0 M H2SO4 1.0 g H2SO4 1.0 ml H2SO4 1.0 mol H2SO4 42. 24.5 g H2SO4 wewkó 250 mL `ae‡Y AviI 250 mL cvwb †hvM Ki‡j NbgvÎv KZ n‡e? [Xv. †ev. 19] 0.1 0.25 0.5 1 43. 10 mL 0.5 M Na2CO3 `aeY cÖkwgZ Ki‡Z 12.6 mL H2SO4 `aeY cÖ‡qvRb n‡j GwmW `ae‡Yi NbgvÎv KZ n‡e? [iv. †ev. 19] 0.396 M 0.387 M 0.358 M 0.333 M 44. 3 mL 0.1 M Kw÷K †mvWv `ae‡Y 1 mL 0.3 M Kw÷K †mvWv `ae‡Y †hvM Kiv n‡jv| wgwkÖZ `ae‡Yi ppm NbgvÎv KZ? [e. †ev. 19] 4000 6000 8000 12000 45. 10% Na2CO3 250 ml `ae‡Y wK cwigvY cvwb wgkv‡j `ae‡Yi NbgvÎv †mwg‡gvjvi n‡e? [wm. †ev. 19] 220 ml 235 ml 250 ml 1000 ml 46. 250 mL †mw›U‡gvjvi `aeY cÖ ̄‘wZ‡Z KZ MÖvg A·vwjK GwmW cÖ‡qvRb n‡e? [w`. †ev. 19] 0.225 0.315 11.250 15.750 47. 5g Na2CO3 100 g `ave‡K `aexf~Z K‡i `aeY •Zwi Kiv nj| `ae‡Yi NbgvÎv wKfv‡e cÖKvk Kiv hvq? [mw¤§wjZ. †ev. 18] %(w/v) %(v/w) %(w/w) %(v/v)
4  HSC Chemistry 2nd Paper Chapter-3 48. wb‡Pi †Kvb c`v‡_©i cÖgvY `ae‡Yi NbgvÎv mg‡qi mv‡_ cwiewZ©Z nq? [Kz. †ev. 17] K2Cr2O7 KMnO4 Na2C2O4 Na2CO3 49. †gvjvwiwU cwieZ©bkxj, hw` cwiewZ©Z nq- [wm. †ev. 17] i. `ave‡Ki AvqZb ii. `a‡ei cwigvY iii. ZvcgvÎv wb‡Pi †KvbwU mwVK? i, ii i, iii ii, iii i, ii, iii A¤øwgwZ, ÿviwgwZ, UvB‡Uakb, wb‡`©kK 50. †Kvb wb‡`©k‡Ki pH mxgv 8 – 10 Gi g‡a ̈? [Xv. †ev. 23] †dbjd_ ̈vwjb wg_vBj †iW wg_vBj A‡iÄ _vBgvj eøy 51. †dbjd_ ̈vwj‡bi eY© cwieZ©‡bi pH cwimi KZ? [wm. †ev. 23] 3.2 – 4.4 4.8 – 6.0 6.8 – 8.4 8.2 – 10.0 52. wg_vBj A‡i‡Äi eY© cwieZ©‡bi pH mxgv †KvbwU? [iv. †ev. 23] 3.2 – 4.2 4.3 – 5.4 5.0 – 8.0 8.2 – 10.0 53. H2C2O4 + NaOH  wewμqvq Dchy3 wb‡`©kK †KvbwU? [wm. †ev. 23] wg_vBj †iW wg_vBj A‡iÄ _vBgj eøy †djd_ ̈vwjb 54. UvB‡Uak‡b e ̈eüZ ARvbv `aeY‡K ejv nq- [w`. †ev. 23] UvBUav›U UvB‡UaU UvBUvi UavBgvi 55. 100 mL †Wwm‡gvjvi HCl I 100 mL †Wwm‡gvjvi Na2CO3 `ae‡Yi wgkÖ‡Yi cÖK...wZ Kxiƒc n‡e? [w`. †ev. 23] ÿvixq A¤øxq Dfag©x wbi‡cÿ 56. 0.001 M HCl `ae‡Yi pH Gi gvb KZ? [g. †ev. 23] 1 2 3 4  wb‡Pi DÏxcKwU co Ges 57 I 58 bs cÖ‡kœi DËi `vI: 200 mL 0.25 M NaOH 150 mL 0.2 M H2SO4 A B 57. A `ae‡Yi kZKiv NbgvÎv KZ? [h. †ev. 23] 1% 1.2% 1.5% 1.96% 58. DÏxc‡Ki `aeY؇qi wgkÖ‡Yi †ÿ‡Î- [h. †ev. 23] i. wgkÖYwU A¤øxq n‡e ii. A `aeY Øviv B `aeY c~Y© cÖkwgZ n‡e iii. B `aeY Øviv A `aeY c~Y© cÖkwgZ n‡e wb‡Pi †KvbwU mwVK? i, ii ii, iii i, iii i, ii, iii 59. wg_vBj A‡iÄ A¤øxq `ae‡Y †Kvb eY© cÖ`k©b K‡i? [P. †ev. 22] eY©nxb Kgjv njy` †Mvjvcx jvj 60. HBr `ae‡Y †dbjd_ ̈vwjb Kx eY© aviY K‡i? [wm. †ev. 22] jvj njy` †Mvjvcx eY©nxb 61. mgAvqZb 0.1 M NaOH Ges 0.1 M H2SO4 `ae‡Yi cÖK...wZ Kx n‡e? [w`. †ev. 22] wbi‡cÿ Dfag©x A¤øxq ÿvixq 62. wg_vBj †iW Gi eY© cwieZ©‡bi pH mxgv- [Xv. †ev. 21] 10 – 4 10 – 8 7 – 4 1 – 3 63. wg_vBj A‡iÄ wb‡`©k‡Ki pH cwimi KZ? [e. †ev. 21; iv. †ev. 21; g. †ev. 21] 3.1 – 4.4 4.2 – 6.3 6.0 – 8.0 8.2 – 9.8 64. UvB‡Uakb wewμqvq †Kvb †hŠM w`‡q cÖgvY `aeY •Zwi Kiv hvq bv? [w`. †ev. 21] KMnO4 Na2CO3 K2Cr2O7 H2C2O4.2H2O 65. HCl I NaOH Gi UvB‡Uak‡b wb‡`©kK e ̈eüZ nq- [P. †ev. 21] i. wg_vBj A‡iÄ ii. wg_vBj †iW iii. †dbjd_ ̈vwjb wb‡Pi †KvbwU mwVK? i i, ii ii, iii i, ii, iii