Cau4/ khi noi ve peptit va protein phat bieu nao sau day sai A protein co phan ung mau B thuy phan hoan toan protein don gian thu duoc cac amino axit C lien ket giua CO va NH giua 2 don[r]
Trang 1Kem tra 1 tiet chuong: amin-amino axit-polime
Cau1/ So dong phan amino axit co cong thuc phan tu
C3H7O2N
A 1 B 2 C 3 D 4
Cau2/ Glixin khon tac dung voi
A H2SO4 loang B CaCO3 C ancol etylic D muoi natrusunfat Cau3/ Amin C3H9N co bao nhieu dong phan bac 1
A 1 B 2 C 3 D 4
Cau4/ khi noi ve peptit va protein phat bieu nao sau day sai
A protein co phan ung mau
B thuy phan hoan toan protein don gian thu duoc cac ( amino axit
C lien ket giua CO va NH giua 2 don vi anpa amino axit goi la lien ket peptit
D tat ca cac protin tan trong nuoc tao thanh dung dich keo,, Cau 5/ cho cac hop chat aminoaxit A;muoi amoni cua
cacboxilicB;amin D; este cua aminoaxit R.Nhung chat nao vua tac dung voi NaOH vua tac dung voi HCl
A A,B,D,R B D,B,R C ABR D RDA
Trang 2Cau 6/ cau C5H13N co bao nhieu dong phan bac 3 la
A 3 B 4 C 5 D 6
Cau7/ choc ac chat sau ammoniac(1).metyamin(2)
dimetyamin(3) aniline(4).Tinh bazo tang theo thu tu nao sau day
A 1,2,3,4 B 4,1,2,3, C 3,2,4,1 D 2,4,1,3
Cau8/ So phan tu tripeptit mach ho tao tu 2 aminoaxit :glixin
va alanin
A 3 B 4 C 5 D 6
Cau 9/ cho 22.25g alanin phan ung het voi dung dich NaOH khoi luong muoi thu duoc la
A 25,7 B 25.75 C 37,5 35.7
Cau 10/ C4H11N co bao nhieu dong phan bac 3
A 1 B 2 C4 D3
Cau11/ chat nao sau day dung dieu che bot ngot
A anilin B axitglutamic C alanin D glixin
Cau12/ dung chat nao sau day de rua sach mui tanh cua ca
A xa phong B giam B toi D ruou
Cau 13/ NH2-CH2-COOH co ten goi la
A glixin B metyamin C alanin D lixin
Trang 3Cau 14/ nhom vat lieu nao sau day duoc dieu che tu Phuong phap trung ngung
A Nilon6,nilon 6,6 B poli eyilen, PVC
C to visco , nilon 6 Dcao su bana PE
Cau 15/ amin don chuc bac mot co khoi luong H= 12.28 phan tram so dong phan cua amin tren
A 2 B 3 C 4 D 1
Cau 16/cho 32.55 g anilin cho tac dung voi dung dich brom phan ung xay ra hoan toan tao ra 82.5 g ket tua, hoi khoi luong brom ban dau la
A 120g B 212g C 22g D 33g