cncur viNH Pntrc sO KV THI HSG KIITN DANII CHo HQC SINH THCS Nau HQC 2012-2013 ot cniNn rHtlc @A thi gim A3 rg PHAN THI TRAC NGHIEM ffang) rhdi sta di Me.16 thi 132 Hg, t€n thf sinh: Cho khiit Ciu l: mil sii nguyAn t6: Mg : 24; Al : 27; Zn : s:32; P = 3I;Cl:35,5; H: l; O: 16; N: 14 lrang mol nguyAn hh cfia 65; Cu : 64; Fe = 56; Cho 0,8 gam oxi tac dgng vdi 0,8 gam hidro dOn phan rmg hoan toan, kh6i lugng nudc thu dugc ld 4.7,2 garn B 1,4 gam C.0,9 gam Ciu 2: Eon vi nAo sau d6y kh6ng phii li tlon vi cua vfn t6c? D 1,6 gam A Vm D m/h B m/s C km/s Ciu 3: C6 mQt6t6 dang ch4y tr6n dubng Cdu m6 ta nio sau ddy li khbng ilfing? L 6tO chuyOn dgng so vcri cdy b6n dudmg n OtO chuy6n dQng so voi mat duong C OtO chuy6n dQng so vdi xe di ngugc chi6u D.,OIO chuy6n dQng so voi nguoi l6i ie Cf,u 4: Nhirng qui b6ng bay thuong dugc thd c6c dip 16 hQi c6 the duqc bcrn bAng lJrf A COz B Hz' C Oz D Nz Cflu 5: C6 hai UrOi t