C\u00e2u 27(ID:118526):<\/strong>Ch\u1ea5t 3 \u2013 MCPD (3 \u2013 monoclopropandiol) th\u01b0\u1eddng l\u1eabn trong n\u01b0\u1edbc t\u01b0\u01a1ng v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra b\u1ec7nh ung th\u01b0. Ch\u1ea5t n\u00e0y c\u00f3 c\u00f4ng th\u1ee9c c\u1ea5u t\u1ea1o l\u00e0:<\/p>\n A.<\/strong>CH<\/p>\n \u2013 CHCl \u2013 CH(OH)<\/p>\n . B.<\/strong>CH<\/p>\n Cl \u2013 CHOH \u2013 CH<\/p>\n OH.<\/p>\n C.<\/strong>CH<\/p>\n OH \u2013 CHCl \u2013 CH<\/p>\n OH. D.<\/strong>CH(OH)<\/p>\n \u2013 CH<\/p>\n \u2013 CH<\/p>\n Cl.<\/p>\n C\u00e2u 28(ID:118527):<\/strong>Cho c\u00e1c ch\u1ea5t: Al<\/p>\n O<\/p>\n , Al<\/p>\n (SO<\/p>\n )<\/p>\n , Zn(OH)<\/p>\n , NaHS, K<\/p>\n SO<\/p>\n , (NH<\/p>\n )<\/p>\n CO<\/p>\n , Al. S\u1ed1 ch\u1ea5t \u0111\u1ec1u ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c v\u1edbi dung d\u1ecbch HCl, dung d\u1ecbch NaOH l\u00e0:<\/p>\n A.<\/strong>5. B.<\/strong>6. C.<\/strong>4. D.<\/strong>7.<\/p>\n C\u00e2u 29(ID:118528):<\/strong>C\u00f3 m\u1ed9t h\u1ed7n h\u1ee3p kh\u00ed X g\u1ed3m etilen v\u00e0 axetilen. N\u1ebfu cho V l\u00edt kh\u00ed X ph\u1ea3n \u1ee9ng v\u1edbi dung d\u1ecbch AgNO<\/p>\n \/NH<\/p>\n d\u01b0 th\u00ec t\u1ea1o ra 9,6 gam k\u1ebft t\u1ee7a. M\u1eb7t kh\u00e1c n\u1ebfu cho V l\u00edt kh\u00ed X nh\u01b0 tr\u00ean ph\u1ea3n \u1ee9ng h\u1ebft v\u1edbi dung d\u1ecbch brom th\u00ec kh\u1ed1i l\u01b0\u1ee3ng b\u00ecnh \u0111\u1ef1ng dung d\u1ecbch brom t\u0103ng 2,72 gam. \u0110\u1ed1t ch\u00e1y h\u1ebft V l\u00edt h\u1ed7n h\u1ee3p kh\u00ed X v\u00e0 d\u1eabn s\u1ea3n ph\u1ea9m ch\u00e1y v\u00e0o c\u1ed1c ch\u1ee9a 100 ml dung d\u1ecbch NaOH 1,5M th\u00ec mu\u1ed1i t\u1ea1o th\u00e0nh trong dung d\u1ecbch v\u00e0 s\u1ed1 mol thu \u0111\u01b0\u1ee3c l\u00e0:<\/p>\n A.<\/strong>H\u1ed7n h\u1ee3p Na<\/p>\n CO<\/p>\n ; 0,075 mol v\u00e0 NaHCO<\/p>\n 0,15 mol.<\/p>\n B.<\/strong>Na<\/p>\n CO<\/p>\n v\u00e0 0,075 mol.<\/p>\n C.<\/strong>Na<\/p>\n CO<\/p>\n v\u00e0 0,2 mol.<\/p>\n D.<\/strong>NaHCO<\/p>\n v\u00e0 0,15 mol.<\/p>\n C\u00e2u 30(ID:118529):<\/strong>Cho axit salixylic (axit o-hi\u0111roxibenzoic) ph\u1ea3n \u1ee9ng v\u1edbi metanol c\u00f3 axit sunfuric x\u00fac t\u00e1c thu \u0111\u01b0\u1ee3c metyl salixylat (C<\/p>\n H<\/p>\n O<\/p>\n ) d\u00f9ng l\u00e0m thu\u1ed1c xoa b\u00f3p gi\u1ea3m \u0111au. Kh\u1ed1i l\u01b0\u1ee3ng KOH t\u1ed1i \u0111a ph\u1ea3n \u1ee9ng v\u1eeba h\u1ebft v\u1edbi 15,2 gam metyl salixylat l\u00e0:<\/p>\n A.<\/strong>16,8 gam. B.<\/strong>8,0 gam. C.<\/strong>5,6 gam. D.<\/strong>11,2 gam.<\/p>\n C\u00e2u 31(ID:118530):<\/strong>Cho kh\u00ed CO (d\u01b0) \u0111i v\u00e0o \u1ed1ng s\u1ee9 nung n\u00f3ng \u0111\u1ef1ng h\u1ed7n h\u1ee3p X g\u1ed3m Al<\/p>\n O<\/p>\n , MgO, Fe<\/p>\n O<\/p>\n , CuO thu \u0111\u01b0\u1ee3c ch\u1ea5t r\u1eafn Y. Cho Y v\u00e0o dung d\u1ecbch NaOH (d\u01b0), khu\u1ea5y k\u0129, th\u1ea5y c\u00f2n l\u1ea1i ph\u1ea7n kh\u00f4ng tan Z. Gi\u1ea3 s\u1eed c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n. Ph\u1ea7n kh\u00f4ng tan Z g\u1ed3m:<\/p>\n A.<\/strong>MgO, Fe<\/p>\n O<\/p>\n , Cu. B.<\/strong>Mg, Al, Fe, Cu. C.<\/strong>MgO, Fe, Cu. D.<\/strong>Mg, Fe, Cu.<\/p>\n C\u00e2u 32(ID:118531):<\/strong>Xenluloz\u01a1 trinitrat l\u00e0 ch\u1ea5t d\u1ec5 ch\u00e1y v\u00e0 n\u1ed5 m\u1ea1nh, \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf t\u1eeb xenluloz\u01a1 v\u00e0 HNO<\/p>\n . Th\u1ec3 t\u00edch (l\u00edt) dung d\u1ecbch HNO<\/p>\n 99,67% c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang 1,52 g\/ml c\u1ea7n \u0111\u1ec3 s\u1ea3n xu\u1ea5t 74,25kg xenluloz\u01a1 trinitrat n\u1ebfu hi\u1ec7u su\u1ea5t \u0111\u1ea1t 90% l\u00e0:<\/p>\n A.<\/strong>52,67. B.<\/strong>80,06. C.<\/strong>42,66. D.<\/strong>34,65.<\/p>\n C\u00e2u 33(ID:118532):<\/strong>Dung d\u1ecbch Y g\u1ed3m: a mol Al<\/p>\n , b mol Cl<\/p>\n , 0,15 mol H<\/p>\n v\u00e0 0,03 mol SO<\/p>\n . Cho 180ml dung d\u1ecbch Z g\u1ed3m NaOH 1,2M v\u00e0 Ba(OH)<\/p>\n 0,1M v\u00e0o dung d\u1ecbch Y, sau khi c\u00e1c ph\u1ea3n \u1ee9ng x\u1ea3y ra ho\u00e0n to\u00e0n, thu \u0111\u01b0\u1ee3c 5,598 gam k\u1ebft t\u1ee7a. Gi\u00e1 tr\u1ecb c\u1ee7a a, b l\u1ea7n l\u01b0\u1ee3t l\u00e0:<\/p>\n A.<\/strong>0,030 v\u00e0 0,180. B.<\/strong>0,030 v\u00e0 0,018. C.<\/strong>0,180 v\u00e0 0,030. D.<\/strong>0,018 v\u00e0 0,144.<\/p>\n <\/p>\n <\/p>\n<\/p>\n \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia 2016 m\u00f4n H\u00f3a – THPT Thanh Oai A l\u1ea7n 1 t\u1ed5 ch\u1ee9c thi th\u1eed cho h\u1ecdc sinh kh\u1ed1i 12, c\u00f3 \u0111\u00e1p \u00e1n chi ti\u1ebft c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia 2016 m\u00f4n H\u00f3a – THPT Thanh Oai A l\u1ea7n 1 C\u00e2u 27(ID:118526):Ch\u1ea5t 3 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[24],"tags":[],"yoast_head":"\n\u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia 2016 m\u00f4n H\u00f3a – THPT Thanh Oai A l\u1ea7n 1<\/strong><\/h4>\n
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