ঢাকা বিশ্ববিদ্যালয়
সালঃ 2011
ক ইউনিট
97.235nm
9.729nm
337.235nm
Zn(s)/ ZnSO₄ (aq) | CuSO₄ (aq)/ Cu(s)
ZnSO₄ (aq)/Zn(s) | Cu(s)/CuSO₄ (aq)
CuSO₄ (aq)/ Cu(s) | ZnSO₄ (aq)/Zn(s)
1.025 mol L⁻¹
0.025 mol L⁻¹
0.5125 mol L⁻¹
2-chloro-2-methylpropane
dimethylether
chlorobenzene
orion
polythyne
PVC
α-particle
β- particle
γ- particle
PCl₅
XeF₆
CCl₄
516.95 ms⁻¹
517.90 ms⁻¹
515.22 ms⁻¹
17.2 min
18.1 min
16.0 min
CH₃ CH₂ CH=CH₂
CH₃ C(Cl)=CBr₂
CH₃ CH=C(Cl)Br
CH₃CH₂CH=C(CH₃)₂
CH₃CH₂C(CH₃)=CHCH₃
(CH₃)₂CHCH=CHCH₃
tetrahedral, spᵌ
trigonal bipyramid, dspᵌ
Trigonal, sp²
ln[A] vs t
ln[A]0[A]vs[t]
[A] vs t
Cr = [Ar] 3d54s1 and Cr3+ = [Ar] 3d34s0
Cr = [Ar] 3d44s2 and Cr3+ = [Ar] 3d14s2
Cr = [Ar] 3d44s2 and Cr3+ = [Ar] 3d34s0
CH₃CH₂ COCH₃ and CH₃CHO
CH₃COOH and CH₃ CHOOCH₃
CH₃CH₂OH and CH₃CH(OH)CH₃
H₃C: (+)
H₃C: (-)
H₃C: (-)
CH₃ OH
CH₂ F₂
CH₃CH₂ CH₂ CH₃
Isoelectronic with each other
Isotones to each other
Isotopes to each other
increasing the temperature to 35⁰
dissolving NH₄NO₃ crystal in the equilibrium mixture
dissolving NaCl crystal in the equilibrium mixture
100 ⁰c
18.0 ⁰c
120.8 ⁰c
acid amide
organic acid
alchol
ethylene glycol
ethyloxide
Ethanoic acid
12 hr 53 min
13 hr 52 mi
12 hr 50min
ethylene glycoland terepthalic acid
adipic acid and 1,6-diamino hexane
Phenol and formaldehyde