Test Mode Reading Mode Right = 0 Wrong = 0

সকল বিষয়

Created: 3 months ago | Updated: 1 day ago
2
1
-4
-12(1-x)
12(1-x)
-12(x+1)
12(x-1)
(1-x)
-2, -1
-2, 3
-2, 2
-3, 3
-4, 4
cosx1-2y
cosx2y-1
sinx2y-1
sinx1-2y
2y-cosx
Created: 3 months ago | Updated: 13 hours ago
-exx2+c
e-xx+c
e-xx2+c
-e-xx2+c
-xe-x+c
e4m
emm+1m-1
e3m
emm+1m-13
em
Created: 3 months ago | Updated: 1 day ago
nπ+π4
nπ-π4
2nπ-π
nπ2+π
2nπ-π4
1
tan1
cos1
sin1
25.05 L
20.05 L
15.05 L
10.05 L
13.00 L
1.11×1013
1.34×1014
1.83×1014
1.51×1014
1.49×1013
6.023×1023
9.85×1021
98.5×1021
98.5×1022
9.85×1025
Kc=KpRTn
Ecell=Ecell+RT ln[Product][Reactant]
E=hλc
pH-pOH=pKw
Ecell=Ecell+RT ln[Reactant][Product]
HOOC-COOH
HO-CH2-COOH
HCO-COOH
HOOC-CH2-COOH
HOCH2-CH2OH
50.0
3.1
৫.০
125.0
4.0
132-1
1-32-1
264-2
2-64-2
-2-6-42
Created: 3 months ago | Updated: 18 hours ago
13tan-12x-13+c
23tan-12x-12+c
13tan-12x-12+c
23tan-12x-13+c
23sin-12x-13+c
3x2+2x-6=0
2x2-3x+1=0
3x2-4x+4=0
5x2+x-1=0
x2+3x-1=0
1+2,5
1-3,1+2
1-3,5
1-3,-5
1-2,5
14
২১
৩৫
২৮
48 and 36 units
48 and 48 units
40 and 36 units
40 and 40 units
40 and 48 units
4153.85 J/K
5361.13 J/K
6053.13 J/K
6153.85 J/K
51.53.853/K
2.245 x 108 m/sec
4.232 x 107 m/sec
22.245 x 107 m/sec
2.242 x 108 m/sec
2.425 x 108 m/sec
Grignard Reagent
Lucas reagent
Tollen's Reagent
Neslar Reagent
Acid-base Reagent
Benzene
Cyclohexane
toluene
Chlorobenzene
Cycloheptane
2, 2, 4-trimethyl pentane
iso-pentane
2, 4, 4-trimethyl pentane
iso-octane
4, 4, 2-trimethyl pentane
n=1,l=0,m=0,s=-12
n=2,l=1,m=1,s=+12
n=3,l=2,m=-2,s=-12
n=3,l=0,m=1,s=+12
n=4,l=2,m=-1,s=+12
80.254 ton
10.252 ton
18.015 ton
6.423 ton
8.034 ton
২৭
১৮
২১
12
24
1.08×10-10 mol.L-1
1.08×10-8 mol.L-1
1.08×10-4 mol.L-1
2.18×10-4 mol.L-1
3.28×10-4 mol.L-1
1.20×10-9 : 1
1.60×10-8 : 1
1.50×10-8 : 1
1.80×10-9 : 1
1.90×10-9 : 1
0,±a
0,±2
0,±b
0,±3
0,±3
R-CONH2
R-NH2
R-COCl
R-COBr
R-CHO
7.27×10-9
4.16×10-9
5.48×1015
4.76×1015
1.90×1015
α=0.99; β=99 and IE=5.02 mA
α=99; β=0.99 and IE=5.02 mA
α=0.99; β=99 and IE=7.00 mA
α=0.99; β=0.99 and IE=5.02 μA