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রসায়ন

Created: 8 months ago | Updated: 5 days ago
বিমকারক এজেন্ট
D.D.T.
উকুন নাশক
কোনটিই নয়
235UF6>U238F6
U238F6>U235F6
U235F6=U238F6
None of these
H11, H12,H23
S4130I,  P1431 ,S1432
C2964u, Z3064n 
None of these
   1.025 mol L-1
1. 025 M
10. 25 M
None of these
30 -40 %
20 -30%
50 -60%
None
O-xylene
P-xylene
O-xylene and P-xylene
None of these
Chemical reaction
Nuclear fusion reaction
Nuclear fission reaction
None of these
Chemical reaction
Nuclear fusion reaction
Nuclear fission reaction
None of these
1s22s22p53s23p3
1s22s22p53s13p4
1s2 2s22p63s23p5
None of these
OPh-C-Ph
    OPH-C-NH-NH2
OPh-C-NH2
None of these
Oxalic acid
eat
Oil
None of these
one σ and two π bonds
three σ amd two π bonds
two σ and two π bonds
None of these