রাজশাহী প্রকৌশল ও প্রযুক্তি বিশ্ববিদ্যালয় (রুয়েট)

সালঃ 2013

শিক্ষাবর্ষঃ ২০১৩-২০১৪


[Al(OH)(H2O)5]2+   

  [Al(H2O)6]3+   

[Fe(OH)2(H2O)4]+

   [Cu(OH)(H2O)3]+

None

72% SiO2,22% Na2O and 6% CaO 

72% SiO2,22%Na2O and 6% Hg 

70% SiO2,24% Fe(OH)3 and 6% Fe2O3

72% SiO2,20% Na2O and 8% CaO 

None

1s22s22p63s23p63d104s14p105s25p66s1

1s22s22p63s23p63d104s24p64d105s25p2

1s22s22p63s23p63d104s24p64d105s25p1

1s22s22p63s23p63d104s24p64d105s25p1

None

CH3CHO+NH2OH 

   CH3COCH3+NH3 

 HCHO+NH3  

  C6H5-CHO+CH3NH2

None

2H2O2(aq)25°C2H2O(1) +O2(g) 

2H2O2(aq)H3PO42H2O(1) +O2(g) 

2KClO3(aq)A.MnO22KCl(s) +3O2(g) 

5(COOH)2 +2KMnO4 + 3H2SO4+3H2SO4K2SO4 +2MnSO4 +10CO2 +8H2O

None

3SO2(g) + K2Cr2O7(aq) + H2SO4(aq)K2SO4(aq) +Cr2(SO4)3(aq) +H2O(1) 

Cu(s) s+2H2SO4(1)CuSO4(aq) +2H2O(1) +SO2(g) 

Pb(CH3COO)2(aq) +H2S(g)2CHCOOH(aq) +PbS(s) + H2O(1) 

Al2O3(s) + 2NaOH (aq) 2NaAlO2 (aq) + H2O(1) 

None

CH3CH2CH=CH2

   (CH3)2C=CHCH3  

 CH3CH=C(Cl)Br 

  CH3C(Cl) =CBr2

None

90% ethanol and 10% water

95.6% ethanol and 4.4% water

70% ethanol and 30% water

98% ethanol and 2% water

None

Amino acid

Protein

Glucose

Nucleic acid

None

165.05 K

87.02K

119. 70 K

317.15K

None

RightAns: 0 | WrongAns: 0 | Result: 0/0