A C2H6.
B CH3OH.
C CH3COOH.
D C2H5OH.
A fructozơ.
B xenlulozơ.
C glucozơ.
D saccarozơ.
A tím.
B xanh lam.
C đỏ.
D vàng.
A H2S + 6HNO3 → SO2 + 6NO2 + 4H2O.
B 3CrO3 + 2H2O → H2CrO4 + H2Cr2O7.
C Na2SO3 + H2SO4 → Na2SO4 + SO2 + H2O.
D P2O5 + 3NaOH → NaH2PO4 + Na2HPO4.
A 400.
B 300
C 100.
D 200.
A 184 gam.
B 69 gam.
C 138 gam.
D 92 gam.
A CH3-CH2-Cl.
B C6H5-OH (phenol).
C CH2=CH-CH2-OH.
D HO-CH2-CH2-OH.
A 1,12.
B 2,24.
C 1,68.
D 0,56.
A O2.
B SO2.
C O3.
D CO2.
A 11,7 gam.
B 15,6 gam.
C 3,9 gam.
D 7,8 gam.
A CuSO4.
B MgCl2.
C FeCl3.
D AgNO3.
A H2N-CH2-COOH.
B CH3-CH2-OH.
C CH2=CH-COOH.
D CH3-COOH.
A 0,9.
B 2,7.
C 1,8.
D 3,6.
A 4,48.
B 1,12.
C 2,24.
D 3,36.
A 66,67%.
B 55,56%.
C 44,44%.
D 33,33%.
A Ancol metylic.
B Etylen glicol.
C Glyxerol.
D Ancol etylic.
A CH3COOCH(CH3)2.
B HCOOCH2CH3.
C CH3COOCH=CH2.
D CH2=CHCOOCH3.
A 5
B 3
C 9
D 7
A Fe.
B Fe2O3.
C FeO.
D Fe3O4.
A 3
B 4
C 2
D 1
A C + O2 → CO2.
B 3C + 4Al → Al4C3.
C C + 2CuO → 2Cu + CO2.
D C + H2O → CO + H2.
A NaOH nóng chảy
B NaCl nóng chảy.
C NaOH trong nước
D NaCl rắn khan.
A 6,8.
B 4,8.
C 4,1.
D 3,4.
A Axit axetic.
B Axit stearic.
C Axit oleic.
D Axit panmitic.
A Ca2+.
B Ag+.
C Cu2+.
D Zn2+.
A 1,23 g
B 4,08 g
C 1,02 g
D 5,10 g
A but-2-en, butan-2-ol.
B but-1-en, butan-2-ol.
C but-1-en, butan-1-ol.
D but-2-en, butan-1-ol.
A 5,40.
B 6,48.
C 4,86.
D 4,05.
A 20,60 gam.
B 30,52 gam.
C 25,56 gam.
D 19,48 gam.
A 6755.
B 772.
C 8685.
D 4825.
A 1,12 mol
B 0,05 mol
C 0,75 mol
D 0,66 mol
A 34,24.
B 31,22.
C 28,86.
D 30,18.
A 37,31.
B 36,26.
C 27,65.
D 44,87.
A 0,40 mol.
B 0,70 mol.
C 0,85 mol.
D 1,00 mol.
A 2SO2 + O2 → 2SO3.
B SO2 + Br2 + 2H2O → 2HBr + H2SO4.
C Na2SO3 + H2SO4 → Na2SO4 + SO2 + H2O.
D Na2SO3 + Br2 + H2O → Na2SO4 + 2HBr.
A 4,6.
B 5,2.
C 4,8.
D 4,4.
A 38,05.
B 46,0.
C 37,95.
D 45,9.
A 18,30
B 14,72
C 20,46
D 17,22
A 54,02%.
B 45,98%.
C 30,95%.
D 35,37%.
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