{"id":8084,"date":"2021-11-20T16:03:17","date_gmt":"2021-11-20T09:03:17","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8084"},"modified":"2021-11-21T12:30:55","modified_gmt":"2021-11-21T05:30:55","slug":"vi-sao-khong-nen-de-thuc-an-man-lau-trong-noi-nhom","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/vi-sao-khong-nen-de-thuc-an-man-lau-trong-noi-nhom\/","title":{"rendered":"V\u00ec sao kh\u00f4ng n\u00ean \u0111\u1ec3 th\u1ee9c \u0103n m\u1eb7n l\u00e2u trong n\u1ed3i nh\u00f4m?"},"content":{"rendered":"\n<p>N\u1ed3i ch\u1ea3o g\u00f2 b\u1eb1ng nh\u00f4m nh\u1eb9, b\u1ec1n, \u0111\u1eb9p. Ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng nh\u00f4m \u0111\u1ec3 ch\u1ebf t\u1ea1o \u1ea5m \u0111un n\u01b0\u1edbc, n\u1ed3i n\u1ea5u c\u01a1m, n\u1ea5u th\u1ee9c \u0103n h\u1ebft s\u1ee9c ti\u1ec7n l\u1ee3i. Th\u1ebf nh\u01b0ng khi s\u1eed d\u1ee5ng \u0111\u1ed3 \u0111\u1ef1ng b\u1eb1ng nh\u00f4m ch\u1edb n\u00ean \u0111\u1ec3 th\u1ee9c \u0103n m\u1eb7n ch\u1ee9a \u0111\u1ef1ng l\u00e2u trong n\u1ed3i nh\u00f4m. V\u00ec sao v\u1eady?<\/p>\n\n\n\n<p>Nh\u00f4m l\u00e0 m\u1ed9t kim lo\u1ea1i r\u1ea5t ho\u1ea1t \u0111\u1ed9ng, nh\u00f4m kim lo\u1ea1i d\u1ec5 t\u00e1c d\u1ee5ng v\u1edbi oxy trong kh\u00f4ng kh\u00ed \u0111\u1ec3 th\u00e0nh nh\u00f4m oxit. Th\u00f4ng th\u01b0\u1eddng n\u1ed3i ch\u1ea3o nh\u00f4m m\u1edbi mua \u0111\u1ec1u c\u00f3 m\u00e0u s\u00e1ng b\u1ea1c, b\u00f3ng. D\u00f9ng l\u00e2u ng\u00e0y, c\u1ea3 hai m\u1eb7t trong ngo\u00e0i, d\u1ea7n d\u1ea7n b\u1ecb x\u1ec9n l\u1ea1i nh\u01b0 b\u1ecb ph\u1ee7 b\u1eb1ng m\u1ed9t l\u1edbp b\u1ee5i x\u00e1m. \u0110\u00f3 l\u00e0 do tr\u00ean b\u1ec1 m\u1eb7t n\u1ed3i ch\u1ea3o nh\u00f4m \u0111\u00e3 b\u1ecb ph\u1ee7 b\u1eb1ng l\u1edbp m\u00e0ng m\u1ecfng nh\u00f4m oxit. L\u1edbp m\u00e0ng m\u1ecfng k\u00edn c\u1ee7a nh\u00f4m oxit kh\u00f4ng th\u1ea5m kh\u00ed, bao b\u1ecdc l\u1ea5y b\u1ec1 m\u1eb7t c\u1ee7a \u0111\u1ed3 b\u1eb1ng nh\u00f4m, kh\u00f4ng cho kh\u00f4ng kh\u00ed th\u1ea5m s\u00e2u v\u00e0o b\u00ean trong \u0111\u1ec3 ti\u1ebfp t\u1ee5c \u0103n m\u00f2n nh\u00f4m. L\u1edbp nh\u00f4m oxit kh\u00e1 c\u1ee9ng h\u01a1n nh\u00f4m kim lo\u1ea1i, n\u00ean l\u1edbp m\u00e0ng m\u1ecfng n\u00e0y s\u1ebd nh\u01b0 t\u1ea5m \u00e1o gi\u00e1p, r\u1ea5t b\u1ec1n, ch\u1ecbu \u0111\u01b0\u1ee3c ma s\u00e1t. L\u1edbp m\u00e0ng m\u1ecfng nh\u00f4m oxit kh\u00f4ng t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc s\u1ea1ch. Nh\u01b0ng n\u1ebfu ti\u1ebfp x\u00fac l\u00e2u v\u1edbi n\u01b0\u1edbc mu\u1ed1i, n\u01b0\u1edbc mu\u1ed1i c\u00f3 th\u1ec3 \u0103n m\u00f2n l\u1edbp m\u00e0ng n\u00e0y l\u00e0m cho nh\u00f4m oxit d\u1ea7n d\u1ea7n ho\u00e0 tan trong n\u01b0\u1edbc mu\u1ed1i. \u0110\u1ed3ng th\u1eddi c\u00e1c t\u1ea1p ch\u1ea5t c\u00f3 trong h\u1ee3p kim nh\u00f4m c\u0169ng x\u00fac ti\u1ebfn s\u1ef1 \u0103n m\u00f2n c\u1ee7a n\u01b0\u1edbc mu\u1ed1i v\u00e0 ho\u00e0 tan nh\u00f4m. Do \u0111\u00f3 nh\u00f4m b\u1ecb m\u1ea5t l\u1edbp m\u00e0ng b\u1ea3o v\u1ec7 n\u00ean d\u1ec5 d\u00e0ng b\u1ecb h\u01b0 h\u1ecfng, bi\u1ebfn ch\u1ea5t.<\/p>\n\n\n\n<p>\u0110\u01b0\u01a1ng nhi\u00ean t\u00e1c d\u1ee5ng c\u1ee7a dung d\u1ecbch n\u01b0\u1edbc mu\u1ed1i v\u1edbi nh\u00f4m oxit x\u1ea3y ra kh\u00e1 ch\u1eadm ch\u1ea1p, n\u1ebfu cho dung d\u1ecbch mu\u1ed1i ti\u1ebfp x\u00fac v\u1edbi nh\u00f4m trong m\u1ed9t th\u1eddi gian ng\u1eafn th\u00ec kh\u00f4ng vi\u1ec7c g\u00ec, nh\u01b0ng n\u1ebfu \u0111\u1ec3 l\u00e2u th\u00ec s\u1ebd g\u00e2y t\u00e1c h\u1ea1i, v\u00ec v\u1eady kh\u00f4ng n\u00ean \u0111\u1ef1ng c\u00e1c th\u1ee9c \u0103n m\u1eb7n l\u00e2u trong n\u1ed3i, \u0111\u1ed3 \u0111\u1ef1ng b\u1eb1ng nh\u00f4m.<\/p>\n\n\n\n<p>T\u1eeb kho\u00e1: Nh\u00f4m; Nh\u00f4m oxit.<\/p>\n\n\n\n<p><\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>N\u1ed3i ch\u1ea3o g\u00f2 b\u1eb1ng nh\u00f4m nh\u1eb9, b\u1ec1n, \u0111\u1eb9p. Ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng nh\u00f4m \u0111\u1ec3 ch\u1ebf t\u1ea1o \u1ea5m \u0111un n\u01b0\u1edbc, n\u1ed3i n\u1ea5u c\u01a1m, n\u1ea5u th\u1ee9c \u0103n h\u1ebft s\u1ee9c ti\u1ec7n l\u1ee3i. Th\u1ebf nh\u01b0ng khi s\u1eed d\u1ee5ng \u0111\u1ed3 \u0111\u1ef1ng b\u1eb1ng nh\u00f4m ch\u1edb n\u00ean \u0111\u1ec3 th\u1ee9c \u0103n m\u1eb7n ch\u1ee9a \u0111\u1ef1ng l\u00e2u trong n\u1ed3i nh\u00f4m. V\u00ec sao v\u1eady? Nh\u00f4m l\u00e0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,15],"tags":[],"class_list":["post-8084","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8084","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8084"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8084\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8084"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}