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সকল বিষয়

সোডিয়াম ও অক্সিজেন
কপার ও অক্সিজেন
কার্বন ও অক্সিজেন
ম্যাগনেসিয়াম ও অক্সিজেন
Created: 9 months ago | Updated: 1 day ago
সোনার খুব পাতলা পাত
কার্বনের একটি রুপভেদ
ফসফরাসের একটি আকরিক
ফ্লোরিনের একটি যৌগ

সোডিয়াম ফেরোসায়ানাইড

ফেরিক ফেরোসায়ানাইড

সোডিয়াম নাইট্রোথূসাইড

কপার নাইট্রোথূসাইড

1
17
১৬
40.4%
53.6%
43.4%
10.2%
সরল রেখা
পরাবৃও
অধিবৃত্ত
বৃও
a2+b2
a2+b2
A+B
(a+b)
কোনটি নয়
Created: 1 year ago | Updated: 18 hours ago
b-1
1-b
B2
b
1.17×10-4y-1
2.25×10-4y-1
4.27×10-4y-1
3.25×10-4y-1
কোনটি নয়
বৃদ্ধি পাবে
কমে যাবে
একই থাকবে
অপরিবর্তীত থাকবে
কোনটি নয়
2% বৃদ্ধি
2 % হ্রাস
1% বৃদ্ধি
1 % হ্রাস
অপরিবর্তনীয়
1
2
3
6
4.5×10-17J
4.5×10-8J
4.5×1017J
4.5×108J
4.5×10-9J
5.56×1015Hz
6.56×1015Hz
2.56×1015Hz
3.56×1015Hz
9.8ms-1
9.8ms-1 এর চেয়ে বেশি
9.8ms-1 এর চেয়ে কম
4.9ms-1
কোনটি নয়
11 ঘন একক
19 ঘন একক
31 ঘন একক
0 ঘন একক
91 ঘন একক
Created: 1 year ago | Updated: 16 hours ago
eydydx
exdydx
ey
65
5
1
2
4/27
5/12
O
৩/১১
Created: 1 year ago | Updated: 1 day ago
nn+12
nn+122
n2
nn+12n+12
১৬
৩২
64
কোনটি নয়
Created: 1 year ago | Updated: 3 days ago
12x1+x
1x1+x
x1+x
কোনটি নয়
2n!2nn!
2n!2nn!
2n!22n!
3n!2n!
কোনটি নয়
Created: 1 year ago | Updated: 1 week ago
±2
±4
±6
±8
29, 201.8°
2, 201.8°
29, 315.8°
2, 315°
2, 98°
২/৭
3/7
৪/৭
5/7
৬/৭
secC
cosecC
sinC
cosC
tanC
Created: 1 year ago | Updated: 16 hours ago
that
enough
a
Much
Created: 1 year ago | Updated: 16 hours ago
x2+y2=1
x2+y2=1y0
x2+y2=1x0
y2=4ax
none of them
Created: 1 year ago | Updated: 2 months ago
that not to neglect his health
to not to neglect his health
not to neglect is health
do not neglect your health
Created: 1 year ago | Updated: 2 months ago
burnol
is burning
was burning
burnt
2
3
1
কোনটি নয়
Created: 1 year ago | Updated: 15 hours ago
live
lived
has lived
has been living
Created: 1 year ago | Updated: 2 days ago
by
against
from
to
2 unit
4 unit
3 unit
6 unit
8 unit
Created: 1 year ago | Updated: 14 hours ago
of
from
with
into
Created: 1 year ago | Updated: 15 hours ago
12
1
2
3
Created: 1 year ago | Updated: 2 months ago
Each books
Each pieces of books
Each piece of books
Created: 1 year ago | Updated: 2 months ago
to wait
to go
to hanging something
to tell something
x3y=0
3x-y=0
x+3y=0
2x+y=0
3x+y=0
Created: 1 year ago | Updated: 2 months ago
squirral
squiral
squirroel
squirrel
Created: 1 year ago | Updated: 1 week ago
He is junior than me for five years.
He is junior to me by five years.
He is junior from me for five years.
He is junior to me for five years.
Created: 1 year ago | Updated: 1 day ago
Familiar
generosity
dividing line
sympathy
Death is preferable than dishonour.
Death is preferable to dishonour.
Date is preparing that dishonour.
Death is better than dishonoring.
I have done the work
I did the work
I have got the work done
I not the work done
Created: 1 year ago | Updated: 16 hours ago
Susceptible
Susceptable
Suscepteble
Suceptible
We all were pleased by them
We all were being pleased by them
We all were pleases to them
We all were pleased with them
Created: 1 year ago | Updated: 16 hours ago
Please listen to my advice
Please listen at my advice
Please hear my advice
He said that the sun moves round the earth
He said that the sun moved round the earth
He said that the earth moved round the sun
He said that the earth moves round the sun
Created: 1 year ago | Updated: 1 day ago
Theology
Orology
Hippology
petrology
Created: 1 year ago | Updated: 15 hours ago
Exotic
Native
Endemic
Irrelevant
Created: 1 year ago | Updated: 3 days ago
Secretariate
secratariate
Secratariet
Secrerariat
Created: 1 year ago | Updated: 13 hours ago
Nafessa asked to Jabeer to go away
Nafessa requested to Jabeer to go away
Nafessa ordered Jabeer to go away
Nafessa told Jabeer to go away
verb
pronoun
adjective
noun
Created: 1 year ago | Updated: 1 day ago
Thirty percents of the populations of this district are poor
Thirty percents of the populations of this district is poor
Thirty percents of the populations of these district are poor
2
6
১০
গ্রাইঅক্সাল
সাইকোহেক্সেন
গ্যামাক্সিন
বেনজাইল ক্লোরাইড
2.73×1023 
2.73×1022 
1.73×1023 
6.73×1023 
HS
Glass
water
A-C
Ca(OCI)CI
Ca(OH)2
CI3c-CH2O
CHCI3
২-মিথাইল প্রোপানল-২
ট্রাই মিথাইল মিথানল
২,২-ডাই মিথাইল ইথানল
ট্রাই মিথাইল কার্বিনল
Created: 9 months ago | Updated: 1 day ago
2 g
4g
5g
gg
(A18r)3d44s2
A18r3d54s1
A18r3d6
A18r3d8
C3H8(g)+3C(s)=3H2g
C3H8(g)=C2H6(g)+H2g
C3H8(g)+7/2(g)=3CO2+4H2O
C3H8(g)+5o2(g)=3CO2+4H2O
Created: 9 months ago | Updated: 1 day ago
ইথাইল হাইড্রোজেন সালফেট
ইথিলিন
ডাই ইথাইল সালফেট
ইথার
NaOH
ROH
ArOH
কোনটি নয়
N2O
AI2O2
Na2O
CO2
1
2
3
K,Rb,Cs
Ba,Ra,Cu
K,Na,Cs
K,Na,Li
অক্সালিক এসিড
ফরমিক এসিড রর
এসিটিক এসিড
মিথানয়িক এসিড
Created: 9 months ago | Updated: 1 day ago
0.398
13.602
0.699
13.301
C6H5CCI3
C6H5CHCI2
C6H5CH2CI
C6H5CI