{"id":12641,"date":"2026-08-08T18:16:12","date_gmt":"2026-08-08T18:16:12","guid":{"rendered":"https:\/\/www.rady-ch.top\/?p=12641"},"modified":"2026-08-08T18:16:13","modified_gmt":"2026-08-08T18:16:13","slug":"proc-vejce-plave-jednoduchy-test-cerstvosti-vajec","status":"publish","type":"post","link":"https:\/\/www.rady-ch.top\/?p=12641","title":{"rendered":"Pro\u010d vejce plave? Jednoduch\u00fd test \u010derstvosti vajec"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Vejce plave na hladin\u011b vody kv\u016fli <strong>vzduchov\u00e9 bublin\u011b<\/strong>, kter\u00e1 se nach\u00e1z\u00ed na jeho \u0161ir\u0161\u00edm konci. Jak vejce st\u00e1rne, postupn\u011b se z n\u011bj p\u0159es p\u00f3ry ve sko\u0159\u00e1pce odpa\u0159uje voda a jeho obsah vysych\u00e1. Vznikl\u00fd prostor se zapl\u0148uje vzduchem \u2013 vzduchov\u00e1 bublina se zv\u011bt\u0161uje, celkov\u00e1 hustota vejce kles\u00e1 a ono za\u010dne nadn\u00e1\u0161et.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak prov\u00e9st test \u010derstvosti (Test ve sklenici vody)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pono\u0159te cel\u00e9 nesko\u0159\u00e1pkovan\u00e9 vejce do vysok\u00e9 sklenice nebo misky se studenou vodou:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Le\u017e\u00ed plo\u0161e na dn\u011b:<\/strong> Vejce je <strong>velmi \u010derstv\u00e9<\/strong> (m\u00e1 nejmen\u0161\u00ed vzduchovou bublinu).<\/li>\n\n\n\n<li><strong>Stoj\u00ed na \u0161pi\u010dce (dno se lehce zved\u00e1):<\/strong> Vejce je <strong>star\u0161\u00ed (cca 2\u20133 t\u00fddny)<\/strong>, ale st\u00e1le pln\u011b bezpe\u010dn\u00e9 k j\u00eddlu. Nejl\u00e9pe se hod\u00ed na va\u0159en\u00ed natvrdo, proto\u017ee jde snadno oloupat.<\/li>\n\n\n\n<li><strong>Plave na hladin\u011b:<\/strong> Vejce je <strong>star\u00e9<\/strong>. Nemus\u00ed b\u00fdt automaticky zka\u017een\u00e9, ale \u0161ance je vysok\u00e1.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Doporu\u010den\u00ed:<\/strong> Pokud vejce plave, rozklepn\u011bte ho zvl\u00e1\u0161\u0165 do misti\u010dky. Pokud nez\u00e1p\u00e1ch\u00e1 a b\u00edlek s \u017eloutkem dr\u017e\u00ed pohromad\u011b (nerozl\u00e9v\u00e1 se jako voda), je je\u0161t\u011b pou\u017eiteln\u00e9 do pe\u010den\u00ed. Pokud zap\u00e1ch\u00e1, vyho\u010fte ho.<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Vejce plave na hladin\u011b vody kv\u016fli vzduchov\u00e9 bublin\u011b, kter\u00e1 se nach\u00e1z\u00ed na jeho \u0161ir\u0161\u00edm konci. Jak vejce st\u00e1rne, postupn\u011b se z n\u011bj p\u0159es p\u00f3ry ve sko\u0159\u00e1pce odpa\u0159uje voda a jeho [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":12642,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-12641","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zahrada"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pro\u010d vejce plave? Jednoduch\u00fd test \u010derstvosti vajec - Recept\u00e1\u0159<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rady-ch.top\/?p=12641\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pro\u010d vejce plave? Jednoduch\u00fd test \u010derstvosti vajec - Recept\u00e1\u0159\" \/>\n<meta property=\"og:description\" content=\"Vejce plave na hladin\u011b vody kv\u016fli vzduchov\u00e9 bublin\u011b, kter\u00e1 se nach\u00e1z\u00ed na jeho \u0161ir\u0161\u00edm konci. Jak vejce st\u00e1rne, postupn\u011b se z n\u011bj p\u0159es p\u00f3ry ve sko\u0159\u00e1pce odpa\u0159uje voda a jeho [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rady-ch.top\/?p=12641\" \/>\n<meta property=\"og:site_name\" content=\"Recept\u00e1\u0159\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-08T18:16:12+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-08T18:16:13+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.rady-ch.top\/wp-content\/uploads\/2026\/08\/2af541ee-3f47-4d7c-a345-af0bccc49611.png\" \/>\n\t<meta property=\"og:image:width\" content=\"653\" \/>\n\t<meta property=\"og:image:height\" content=\"973\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Olia Olia\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Olia Olia\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.rady-ch.top\/?p=12641\",\"url\":\"https:\/\/www.rady-ch.top\/?p=12641\",\"name\":\"Pro\u010d vejce plave? 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