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সকল বিষয়

{4}{
{3}
{6}
{4,6}
{}
Created: 10 months ago | Updated: 5 days ago
x=y=z=0
x=0,y=-b,z=c
x=y=z=az
x=a,y=-a,z=0
x=1,y=1,z=-1/a
11-x2 
11-x2
1-x2x
x21-x2
2x21-x2
A×(B×c)
A.(B×c)
A.(B.c)
A+(B×c)
A.B+B.c
  (a) 12log2 +π4i 
     (b) 2loge 2 + π4i   (
)  12 loge 2 +(2n+14)πi where n  is an integer 
Try your self
(a-p,a)(a,a+p)
a-pxa
axa+p
a-pxa+p
(a,p-a)(a+p,a)
(1-a4)-b2(4-b2) 
 2a(1+a2+b2)  
  (1+a2+b2)3  
-2a(1+a2+b2)
3.49×10-4ms-1
9.34×10-4ms-1
3.94×10-3ms-1
8.34×10-4ms-1
None
2.2ms-2
2.5ms-2
3.0ms-2
1.5ms-2
None
   107
    2×107 N  
 3×107N 
  4×107N 
None
1.511×105 J  
 15.12×105J
   1.151×105J  
  16.15 ×105J 
None
স্থিতিস্থাপকতা
সান্দ্রতা
তলটান
কৈশিকত্ব
None
3.59×107ms-1
  4.93×107 ms-1
5.93×107ms-1
   9.59×107 ms-1 
 9.03×107 ms-1
     30°  
60°
45°
     15°   
None
          10.625 ×1029 MeV
15.625×1029 MeV  
   20.625×1029MeV  
  25.625×1029 MeV
None
        74.069×109kg/C  
 74.069×106kg/C 
  74.069 ×1011kg/c  
 74.69×1013kg/C
None
[Ar]3d54s1
    [Ar]3d5  
 [Ar]3d6  
 [Ar]3d44s2   
None
Na2C2O4.2H2O
    H2C2O4 
       Na2CO3   
   Na2S2O3.5H2O     
None
1s22s22p63s23p63d12s2
    1s22s22p63s23p63d24s2
1s22s22p63s23p63d64s2   
1s22s22p63s23p63d104s2
None
140.9155 kg
401.9155 kg
410.9155 kg
104.9155 kg
None
Co জারক , Cl2    বিজারক
Co বিজারক, Cl2    জারক
Co এবং Cl2    উভয়ই জারক
Co এবং Cl2    উভয়ই বিজারক
None
AgNO3(aq) +NaCl(aq) =AgCl(s) + NaNO3(aq)  
 2Na(s) + Cl2(g) = 2 NaCl(s) 
CuSO4(aq) + Fe(s) =FeSO4(aq) +Cu(s) 
2Cu(NO3)2Heated  2CuO(s) + 4NO2(s) 
None
0.2M 10 mL .CH3COOH +0.2 M 10 Ml NaOH 
0.2 M 10 mL. CH3COOH + 0.1 M 10 mL NaOH
0.1 M 10 mL , CH3COOH + 0.2 M 10 mL NaOH
0.2M 10 mL.HCL +0.1 M 10 mL NaOH 
None
Created: 10 months ago | Updated: 3 days ago
H-CHH-CHH-H  
      H-CHH-CHH-O-H    
    H-C=ethyneHCH-H 
 H-CHH-CHH-CHH-H        
None
 Mg3Ca(SiO)4  
  MgSO4.7H2O 
   KCl.MgCl26H2O 
MgSO4.KCl.3H2O
None
Created: 10 months ago | Updated: 3 days ago
Ca-salt of long-chain fatty acid
Mg-salt of palmitic acid
Na/K salt of long -chain fatty acid
Al-salt of stearic acid
None
    CH3-CH=CH-COOH
CH5-C2H=CH
 C-C3H=C2H - COOH 
       CH3-C2H2=CH-COOH
None
Created: 10 months ago | Updated: 1 week ago
    Fe4[Fe(CH)6]3  
   Cu2[Fe(CN)6]
 CoZnO2
Fe2O3,3H2O 
None
CH3-COOH + NaCH3-COONa +12H2     
CH3-COOH+4[H]LiAlH4CH3-CH3-OH
(CH3-COO)2CaCH3-CO-CH5+CaCO3
CH3-COOH +3H3Ni Pressure 
None
  301.664 kJ mol-1
 401.664kJ mol-1   
  501.664 kJ mol-1
   601.664kJ mol-1 
None
Na and Mn
Zn and Na
Ca and Mg
K and Zn
None
17.0 gm
27.16 gm
37.16 gm
57.16 gm
None
17.0 gm
27.16 gm
37.16 gm
57.16 gm
None
(n-1)10ns-1
   (n-1)d1ns2
  (n-1)d10ns2
   (n-1)d9ns1   
None
C6H5-COOH 
    C6H5-CH=N-CH3
    C6H5-CH=N-C6H5 
    C6H5-CH3-COOH
None
None
আমি মরবো তবুও ভিক্ষা করবো না
আমি বরং মরবো কিন্তু ভিক্ষা করবো না
আমি মরলেও ভিক্ষা করবো না
আমি বরং মরবো তবু ও ভিক্ষা করবো না
None
Created: 10 months ago | Updated: 3 days ago
hot
Uncool
Worm
Coal
None
Had I been a king, I would have helped the poor.
Had I been a king, I helped the poor.
Had I been a king, I would helped the poor.
Had I been a king, I must helped the poor.
He is weak to walk .
He is too weak to walk
He is very weak to walk .
He is too weak to walk .
He is much weak to walk.
Created: 10 months ago | Updated: 3 days ago
Weather is changing slowly
Weather is changing naturally .
Weather is changing day by day .
Weather is changing by force .
Weather is changing randomly.
I was shocked by his conduct .
I was shocked at his conduct .
I am shocked at his conduct .
I am shocked for his conduct .
I was shocked for his conduct.
Created: 10 months ago | Updated: 1 day ago
proper
Abstract
Collective
Material
None
The teacher ordered me no to go there
The teacher ordered me not to come here.
The teacher ordered me do not go there .
The teacher commends me not to go there.
None
0 amp
2 amp
3 amp
4 amp
The shrewd king said addressing them as friends, if they were hungry
Addressing them as friends the shrewd king asked if they were hungry
Approaching them as friends the shrewd king said if they were hungry
Addressing them as friends the shrewd king said if they are hungry
I follow the example which was set by my father.
My father not only made an example but I followed it.
My father asked me to follow his example.
My father would rather that I follow his example.
Created: 10 months ago | Updated: 1 day ago
Real flowers hardly could have smelt better.
Real flowers could hardly have smelt better.
Real flowers could have smelt better hardly.
Real flowers could smelt better hardly.
Less than seventy years old
More than seventy years old
Seventy years old
Eighty years old
5.8×10-10 mol. L-1
5.8×10-4 mol. L-1
1.72×10-5 mol. L-1
1.27×10-5 mol. L-1