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tranodoi_92
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36(007)hop chat nao sao day ko co tinh luong tinh
A CH3COONH4 B HOOCCH2CH(NH2)COOH C. HOOCCH2CH2COONa
D. ClNH3CH2CH2COOH
+H2O,H+ Cu(OH)2
15(006)Chuyen hoa: A-------------->B-------------->DD XANH LAM
A la chat nao sao day?
A.glucozo,saccarozo,mantozo B.Fructozo,saccarozo,Xenlulozo
C.Saccarozo,mantozo,tinhbot D.glucozo,fructozo,mantozo
44(006)co cac cap chat sao:Cu va FeCl3;H2S va CuSO4;H2S VA dd FeCl3;dd AgNO3 va dd FeCl3.so cap chat xay ra pu o dk thuong?
A 1 B2 C3 D4
52(005) Cho ankan A Pu the voi dd Br2 co chieu sang nguoi ta thu duoc hh khi gom mot hh chat khi gom mot dan xuat mono brom va HBr co ti khoi hoi so voi kk bang 4. vay A la?
A,Ettan B propan C but tan D pentan
8(004)co bao nhieu chat tao ket tua voi khi H2S trong cac chat sao:FeCl2,ZnCl2,CuSO4?
A1 b 2 c3 d4
9(004)pu nao sao day xay ra duoc o dk thich hop?
A Fe2O3 +CO------->2FeO+CO2 D 2FeS+10H2SO4------>Fe2O3+9SO2+10H2O
12(004)Day cac chat nao sao day deu pu duoc voi NH3?
B.KHI Clo,khi oxi,khi sunforo C.AgCl,CuO,Zn(oH)2
15(004)Co bao nhieu chat thuoc loai aren trong cac chat sao?
ettybenzen,styren,C6H5-CH2-C6H5,NAPTALEN,xiclohexxan?
A2 B3 C4 D5
(DO LA CHAT NAO?)
33(004)PU nao sao day ko dung?
A. CaCl2+CO2+H2O---->CaCO3+2HCl B. NaHSO4+NaHCO3---->Na2SO4+NaHCO3
38(004)CO THE NHAN BIET axit mentannoic va axit etanoic bang cach cho pu voi Cu(OH)2/NaOH KO?
A CH3COONH4 B HOOCCH2CH(NH2)COOH C. HOOCCH2CH2COONa
D. ClNH3CH2CH2COOH
+H2O,H+ Cu(OH)2
15(006)Chuyen hoa: A-------------->B-------------->DD XANH LAM
A la chat nao sao day?
A.glucozo,saccarozo,mantozo B.Fructozo,saccarozo,Xenlulozo
C.Saccarozo,mantozo,tinhbot D.glucozo,fructozo,mantozo
44(006)co cac cap chat sao:Cu va FeCl3;H2S va CuSO4;H2S VA dd FeCl3;dd AgNO3 va dd FeCl3.so cap chat xay ra pu o dk thuong?
A 1 B2 C3 D4
52(005) Cho ankan A Pu the voi dd Br2 co chieu sang nguoi ta thu duoc hh khi gom mot hh chat khi gom mot dan xuat mono brom va HBr co ti khoi hoi so voi kk bang 4. vay A la?
A,Ettan B propan C but tan D pentan
8(004)co bao nhieu chat tao ket tua voi khi H2S trong cac chat sao:FeCl2,ZnCl2,CuSO4?
A1 b 2 c3 d4
9(004)pu nao sao day xay ra duoc o dk thich hop?
A Fe2O3 +CO------->2FeO+CO2 D 2FeS+10H2SO4------>Fe2O3+9SO2+10H2O
12(004)Day cac chat nao sao day deu pu duoc voi NH3?
B.KHI Clo,khi oxi,khi sunforo C.AgCl,CuO,Zn(oH)2
15(004)Co bao nhieu chat thuoc loai aren trong cac chat sao?
ettybenzen,styren,C6H5-CH2-C6H5,NAPTALEN,xiclohexxan?
A2 B3 C4 D5
(DO LA CHAT NAO?)
33(004)PU nao sao day ko dung?
A. CaCl2+CO2+H2O---->CaCO3+2HCl B. NaHSO4+NaHCO3---->Na2SO4+NaHCO3
38(004)CO THE NHAN BIET axit mentannoic va axit etanoic bang cach cho pu voi Cu(OH)2/NaOH KO?