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]
(1)Kem tra tiet chuong: amin-amino axit-polime Cau1/ So dong phan amino axit co cong thuc phan tu C3H7O2N A1 B2 C3 D4 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 A B2 C3 D4 Cau4/ 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 don vi anpa amino axit goi la lien ket peptit D tat ca cac protin tan nuoc tao 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 (2) Cau 6/ cau C5H13N co bao nhieu dong phan bac la A B C D6 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 aminoaxit :glixin va alanin A B4 C D6 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 A B2 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 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 (3) Cau 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 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 B C D Cau 16/cho 32.55 g anilin cho tac dung voi dung dich brom phan ung xay hoan toan tao 82.5 g ket tua, hoi khoi luong brom ban dau la A 120g B 212g C 22g D 33g (4)