{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"\u0110un n\u00f3ng h\u1ed7n h\u1ee3p b\u1ed9t s\u1eaft v\u00e0 l\u01b0u hu\u1ef3nh thu \u0111\u01b0\u1ee3c h\u1ee3p ch\u1ea5t s\u1eaft(II)sunfua. Ph\u01b0\u01a1ng tr\u00ecnh ch\u1eef c\u1ee7a ph\u1ea3n \u1ee9ng l\u00e0 ","select":["A. S\u1eaft + S\u1eaft (II) sunfua $\\to $ l\u01b0u hu\u1ef3nh ","B. S\u1eaft + l\u01b0u hu\u1ef3nh $\\to $ S\u1eaft (II) sunfua ","C. S\u1eaft $\\to $ l\u01b0u hu\u1ef3nh + s\u1eaft (II) sunfua ","D. L\u01b0u hu\u1ef3nh + S\u1eaft (II) sunfua $\\to $ S\u1eaft "],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2030},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Trong m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng l\u00e0 ","select":["A. S\u1ef1 ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c ch\u1ea5t ph\u1ea3n \u1ee9ng ","B. Nhi\u1ec7t \u0111\u1ed9 ","C. Ch\u1ea5t x\u00fac t\u00e1c ","D. T\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p tr\u00ean "],"hint":"","explain":"<span class='basic_left'>Ph\u1ea3n \u1ee9ng x\u1ea3y ra \u0111\u01b0\u1ee3c khi c\u00e1c ch\u1ea5t tham gia ti\u1ebfp x\u00fac v\u1edbi nhau, c\u00f3 tr\u01b0\u1eddng h\u1ee3p c\u1ea7n \u0111un n\u00f3ng, c\u00f3 tr\u01b0\u1eddng h\u1ee3p c\u1ea7n ch\u1ea5t x\u00fac t\u00e1c...<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2031},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Nh\u00fang m\u1ed9t thanh s\u1eaft v\u00e0o dung d\u1ecbch axit clohi\u0111ric th\u1ea5y s\u1ee7i b\u1ecdt \u1edf thanh kim lo\u1ea1i. D\u1ea5u hi\u1ec7u n\u00e0o sau \u0111\u00e2y cho th\u1ea5y c\u00f3 ph\u1ea3n \u1ee9ng x\u1ea3y ra","select":["A. T\u1ecfa nhi\u1ec7t m\u1ea1nh ","B. Ph\u00e1t s\u00e1ng ","C. S\u1ee7i b\u1ecdt \u1edf thanh kim lo\u1ea1i ","D. Thanh s\u1eaft b\u1ecb m\u1ea5t m\u00e0u "],"hint":"","explain":"<span class='basic_left'>D\u1ef1a v\u00e0o d\u1ea5u hi\u1ec7u c\u00f3 ch\u1ea5t m\u1edbi xu\u1ea5t hi\u1ec7n, c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1c v\u1edbi ch\u1ea5t ph\u1ea3n \u1ee9ng m\u00e0 ta d\u1ec5 nh\u1eadn ra th\u01b0\u1eddng c\u00f3 th\u1ec3 l\u00e0 m\u00e0u s\u1eafc, tr\u1ea1ng th\u00e1i, s\u1ef1 t\u1ecfa nhi\u1ec7t, ph\u00e1t s\u00e1ng <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2032},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":"C\u00e1c v\u1eadt d\u1ee5ng l\u00e0m b\u1eb1ng s\u1eaft \u0111\u1ec3 trong kh\u00f4ng kh\u00ed \u1ea9m d\u1ec5 b\u1ecb g\u1ec9 c\u00f3 m\u00e0u n\u00e2u \u0111\u1ecf. C\u00e1ch ph\u00f2ng ch\u1ed1ng g\u1ec9 s\u1eaft n\u00e0o sau \u0111\u00e2y l\u00e0 h\u1ee3p l\u00fd nh\u1ea5t ","select":["A. B\u00f4i d\u1ea7u, m\u1ee1 ","B. Ng\u00e2m trong n\u01b0\u1edbc ","C. Ng\u00e2m trong dung d\u1ecbch axit ","D. T\u1ea5t c\u1ea3 c\u00e1c \u0111\u00e1p \u00e1n tr\u00ean "],"hint":"","explain":"<span class='basic_left'>S\u1eaft b\u1ecb g\u1ec9 l\u00e0 do ti\u1ebfp x\u00fac v\u1edbi oxi v\u00e0 n\u01b0\u1edbc ( c\u00f3 trong kh\u00f4ng kh\u00ed \u1ea9m ) th\u00ec x\u1ea3y ra ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc. Sau ph\u1ea3n \u1ee9ng n\u00e0y s\u1eaft b\u1ecb bi\u1ebfn \u0111\u1ed5i th\u00e0nh ch\u1ea5t g\u1ec9 m\u00e0u n\u00e2u \u0111\u1ecf.<br\/>S\u1eaft + oxi $\\to $ oxit s\u1eaft ( $F{{e}_{3}}{{O}_{4}}$ )<br\/>Vi\u1ec7c b\u00f4i d\u1ea7u m\u1ee1 .... tr\u00ean b\u1ec1 m\u1eb7t c\u00e1c v\u1eadt d\u1ee5ng b\u1eb1ng s\u1eaft l\u00e0 ng\u0103n c\u00e1ch kh\u00f4ng cho s\u1eaft ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed \u1ea9m. Kh\u00f4ng c\u00f3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc x\u1ea3y ra n\u00ean ph\u00f2ng ch\u1ed1ng \u0111\u01b0\u1ee3c g\u1ec9<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2033},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"C\u1ed3n l\u00e0 ch\u1ea5t d\u1ec5 bay h\u01a1i, khi cho ng\u1ecdn l\u1eeda \u0111\u1ebfn g\u1ea7n l\u00e0 c\u1ed3n \u0111\u00e3 b\u1eaft ch\u00e1y t\u1ea1o ra kh\u00ed cacbon \u0111ioxit v\u00e0 n\u01b0\u1edbc. Ph\u01b0\u01a1ng tr\u00ecnh ch\u1eef c\u1ee7a ph\u1ea3n \u1ee9ng l\u00e0","select":["A. C\u1ed3n + n\u01b0\u1edbc $\\to $ kh\u00ed cacbon \u0111ioxit + kh\u00ed oxi. ","B. C\u1ed3n + kh\u00ed oxi $\\to $ kh\u00ed cacbon \u0111ioxit + n\u01b0\u1edbc. ","C. Kh\u00ed cacbon \u0111ioxit + n\u01b0\u1edbc $\\to $ C\u1ed3n + kh\u00ed oxi ","D. Kh\u00ed cacbon \u0111ioxit + c\u1ed3n $\\to $ kh\u00ed oxi + n\u01b0\u1edbc "],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2034},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Trong m\u1ed9t ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, c\u00e1c ch\u1ea5t ph\u1ea3n \u1ee9ng v\u00e0 s\u1ea3n ph\u1ea9m ph\u1ea3i ch\u1ee9a: ","select":["A. S\u1ed1 nguy\u00ean t\u1eed trong m\u1ed7i ch\u1ea5t ","B. S\u1ed1 nguy\u00ean t\u1eed c\u1ee7a m\u1ed7i nguy\u00ean t\u1ed1 ","C. S\u1ed1 nguy\u00ean t\u1ed1 t\u1ea1o ra ch\u1ea5t ","D. S\u1ed1 ph\u00e2n t\u1eed c\u1ee7a m\u1ed7i ch\u1ea5t "],"hint":"","explain":"<span class='basic_left'>Trong ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ch\u1ec9 c\u00f3 li\u00ean k\u1ebft gi\u1eefa c\u00e1c nguy\u00ean t\u1eed thay \u0111\u1ed5i l\u00e0m cho ph\u00e2n t\u1eed n\u00e0y bi\u1ebfn \u0111\u1ed5i th\u00e0nh ph\u00e2n t\u1eed kh\u00e1c<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2035},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":10,"ques":"Nung \u0111\u00e1 v\u00f4i ch\u1ee9a canxi cacbonat t\u1ea1o th\u00e0nh v\u00f4i s\u1ed1ng l\u00e0 canxi oxit v\u1edbi h\u01a1i n\u01b0\u1edbc. Ch\u1ea5t tham gia ph\u1ea3n \u1ee9ng cho qu\u00e1 tr\u00ecnh nung l\u00e0 ","select":["A. Canxi cacbonat ","B. V\u00f4i s\u1ed1ng ","C. Canxi oxit v\u00e0 h\u01a1i n\u01b0\u1edbc ","D. Canxi cacbonat v\u00e0 v\u00f4i s\u1ed1ng "],"hint":"","explain":"<span class='basic_left'>Canxi cacbonat $\\to $ Canxi oxit + h\u01a1i n\u01b0\u1edbc<br\/>Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c ghi theo quy t\u1eafc nh\u01b0 sau:<br\/>T\u00ean c\u00e1c ch\u1ea5t ph\u1ea3n \u1ee9ng $\\to $ T\u00ean c\u00e1c s\u1ea3n ph\u1ea9m<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2036},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"Khi than ch\u00e1y trong kh\u00f4ng kh\u00ed x\u1ea3y ra ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc gi\u1eefa cacbon v\u00e0 kh\u00ed oxi. Tr\u01b0\u1edbc khi \u0111\u01b0a than v\u00e0o l\u00f2 \u0111\u1ed1t ng\u01b0\u1eddi ta th\u01b0\u1eddng \u0111\u1eadp v\u1eeba nh\u1ecf than, vi\u1ec7c l\u00e0m nh\u01b0 th\u1ebf c\u00f3 t\u00e1c d\u1ee5ng g\u00ec ","select":["A. Bi\u1ebfn \u0111\u1ed5i h\u00ecnh d\u1ea1ng c\u1ee7a than ","B. Cho than v\u00e0o \u0111\u1ed1t d\u1ec5 d\u00e0ng h\u01a1n ","C. T\u0103ng b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a than v\u1edbi kh\u00ed oxi ","D. T\u0103ng l\u01b0\u1ee3ng than l\u00ean "],"hint":"","explain":"<span class='basic_left'>Y\u1ebfu t\u1ed1 ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c ch\u1ea5t ph\u1ea3n \u1ee9ng c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng<br\/>Than \u0111\u01b0\u1ee3c \u0111\u1eadp v\u1eeba nh\u1ecf than th\u00ec b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u00e0ng l\u1edbn, ph\u1ea3n \u1ee9ng ch\u00e1y x\u1ea3y ra d\u1ec5 d\u00e0ng h\u01a1n<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2037},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"Cho c\u00e1c qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i sau: (1)Th\u1ee7y tinh n\u00f3ng ch\u1ea3y \u0111\u01b0\u1ee3c th\u1ed5i th\u00e0nh b\u00ecnh c\u1ea7u, (2)B\u1ecf qu\u1ea3 tr\u1ee9ng v\u00e0o dung d\u1ecbch axit clohi\u0111ric th\u1ea5y s\u1ee7i b\u1ecdt \u1edf v\u1ecf tr\u1ee9ng, (3)C\u1ed3n \u0111\u1ec3 trong l\u1ecd kh\u00f4ng k\u00edn b\u1ecb bay h\u01a1i, (4)Kh\u00ed nit\u01a1 t\u00e1c d\u1ee5ng v\u1edbi kh\u00ed kidro t\u1ea1o th\u00e0nh kh\u00ed amoniac, (5)\u0110\u1ed1t c\u1ed3n trong kh\u00f4ng kh\u00ed thu \u0111\u01b0\u1ee3c h\u01a1i n\u01b0\u1edbc v\u00e0 kh\u00ed cacbon \u0111ioxit. Qu\u00e1 tr\u00ecnh n\u00e0o x\u1ea3y ra ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ","select":["A. (1), (4), (5) ","B. (2), (4), (5) ","C. (3), (4), (5) ","D. (1), (2), (5) "],"hint":"","explain":"<span class='basic_left'>(1)Th\u1ee7y tinh ch\u1ec9 b\u1ecb bi\u1ebfn \u0111\u1ed5i h\u00ecnh d\u1ea1ng, kh\u00f4ng c\u00f3 bi\u1ebfn \u0111\u1ed5i v\u1ec1 ch\u1ea5t<br\/>(2)D\u1ea5u hi\u1ec7u xu\u1ea5t hi\u1ec7n s\u1ee7i b\u1ecdt \u1edf v\u1ecf tr\u1ee9ng<br\/>(3)C\u1ed3n ch\u1ec9 chuy\u1ec3n t\u1eeb th\u1ec3 l\u1ecfng sang h\u01a1i, kh\u00f4ng c\u00f3 s\u1ef1 bi\u1ebfn \u0111\u1ed5i ch\u1ea5t<br\/>(4)D\u1ea5u hi\u1ec7u t\u1ea1o ch\u1ea5t m\u1edbi l\u00e0 kh\u00ed amoniac<br\/>(5)D\u1ea5u hi\u1ec7u t\u1ea1o ch\u1ea5t m\u1edbi l\u00e0 h\u01a1i n\u01b0\u1edbc v\u00e0 kh\u00ed cacbon \u0111ioxit<br\/><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2038},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":10,"ques":"Trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, c\u00e1c lo\u1ea1i nhi\u00ean li\u1ec7u nh\u01b0 d\u1ea7u m\u1ecf, than \u0111\u00e1, kh\u00ed \u0111\u1ed1t .....\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n sinh ra n\u0103ng l\u01b0\u1ee3ng. Qu\u00e1 tr\u00ecnh \u0111\u1ed1t nhi\u00ean li\u1ec7u \u0111\u00e3 x\u1ea3y ra ph\u1ea3n \u1ee9ng, t\u1ea1o ra kh\u00ed g\u00e2y hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh, kh\u00ed \u0111\u00f3 l\u00e0 ","select":["A. Kh\u00ed hi\u0111ro ","B. Kh\u00ed nit\u01a1 ","C. Kh\u00ed oxi ","D. Kh\u00ed cacbon \u0111ioxit( $C{{O}_{2}}$ ) "],"hint":"","explain":"<span class='basic_left'>Hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh \u0111\u01b0\u1ee3c hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng Tr\u00e1i \u0110\u1ea5t \u1ea5m l\u00ean do kh\u00ed $C{{O}_{2}}$.<br\/> Kh\u00ed th\u1ea3i do c\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n, nh\u00e0 m\u00e1y hay c\u00e1c v\u1ee5 ch\u00e1y r\u1eebng\u2026 l\u00e0m t\u0103ng n\u1ed3ng \u0111\u1ed9 $C{{O}_{2}}$ trong kh\u00f4ng kh\u00ed.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2039}],"lesson":{"save":0,"level":2}}