{"id":87956,"date":"2025-06-01T06:58:32","date_gmt":"2025-06-01T06:58:32","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87956"},"modified":"2025-06-01T06:58:32","modified_gmt":"2025-06-01T06:58:32","slug":"among-the-following-which-is-not-the-correct-method-for-keeping-the","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/among-the-following-which-is-not-the-correct-method-for-keeping-the\/","title":{"rendered":"Among the following, which is  not  the correct method for keeping the"},"content":{"rendered":"<p>Among the following, which is <b>not<\/b> the correct method for keeping the curd ?<\/p>\n<p>[amp_mcq option1=&#8221;Keeping in stainless steel vessel&#8221; option2=&#8221;Keeping in copper vessel&#8221; option3=&#8221;Keeping in plastic vessel&#8221; option4=&#8221;Keeping in glass vessel&#8221; correct=&#8221;option2&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC NDA-1 &#8211; 2023<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-1-2023.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-1-2023\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe correct answer is B) Keeping in copper vessel.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nCurd is acidic due to the presence of lactic acid produced during fermentation. Acidic substances can react with certain metals, such as copper, to form potentially harmful salts.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nKeeping acidic food like curd in copper vessels is not recommended because the acid can react with the copper metal. This reaction can leach copper ions into the food, potentially leading to health issues if consumed regularly in significant amounts. Stainless steel, plastic, and glass are non-reactive materials commonly used for storing acidic food items safely.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Among the following, which is not the correct method for keeping the curd ? [amp_mcq option1=&#8221;Keeping in stainless steel vessel&#8221; option2=&#8221;Keeping in copper vessel&#8221; option3=&#8221;Keeping in plastic vessel&#8221; option4=&#8221;Keeping in glass vessel&#8221; correct=&#8221;option2&#8243;] This question was previously asked in UPSC NDA-1 &#8211; 2023 Download PDFAttempt Online The correct answer is B) Keeping in copper vessel. &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Among the following, which is  not  the correct method for keeping the\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/among-the-following-which-is-not-the-correct-method-for-keeping-the\/#more-87956\">Detailed Solution<span class=\"screen-reader-text\">Among the following, which is  not  the correct method for keeping the<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1093],"tags":[1105,1096,1148],"class_list":["post-87956","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1105","tag-chemistry","tag-food-preservation-nutrition-medicine-etc","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Among the following, which is not the correct method for keeping the<\/title>\n<meta name=\"description\" content=\"The correct answer is B) Keeping in copper vessel. Curd is acidic due to the presence of lactic acid produced during fermentation. Acidic substances can react with certain metals, such as copper, to form potentially harmful salts.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/among-the-following-which-is-not-the-correct-method-for-keeping-the\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Among the following, which is not the correct method for keeping the\" \/>\n<meta property=\"og:description\" content=\"The correct answer is B) Keeping in copper vessel. Curd is acidic due to the presence of lactic acid produced during fermentation. Acidic substances can react with certain metals, such as copper, to form potentially harmful salts.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/among-the-following-which-is-not-the-correct-method-for-keeping-the\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:58:32+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Among the following, which is not the correct method for keeping the","description":"The correct answer is B) Keeping in copper vessel. Curd is acidic due to the presence of lactic acid produced during fermentation. Acidic substances can react with certain metals, such as copper, to form potentially harmful salts.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/among-the-following-which-is-not-the-correct-method-for-keeping-the\/","og_locale":"en_US","og_type":"article","og_title":"Among the following, which is not the correct method for keeping the","og_description":"The correct answer is B) Keeping in copper vessel. Curd is acidic due to the presence of lactic acid produced during fermentation. Acidic substances can react with certain metals, such as copper, to form potentially harmful salts.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/among-the-following-which-is-not-the-correct-method-for-keeping-the\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T06:58:32+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/among-the-following-which-is-not-the-correct-method-for-keeping-the\/","url":"https:\/\/exam.pscnotes.com\/mcq\/among-the-following-which-is-not-the-correct-method-for-keeping-the\/","name":"Among the following, which is not the correct method for keeping the","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T06:58:32+00:00","dateModified":"2025-06-01T06:58:32+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct answer is B) Keeping in copper vessel. 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