{"id":87996,"date":"2025-06-01T06:59:19","date_gmt":"2025-06-01T06:59:19","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87996"},"modified":"2025-06-01T06:59:19","modified_gmt":"2025-06-01T06:59:19","slug":"for-manufacturing-of-glass-which-among-the-following-is-used-as-a-sou","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/for-manufacturing-of-glass-which-among-the-following-is-used-as-a-sou\/","title":{"rendered":"For manufacturing of glass, which among the following is used as a sou"},"content":{"rendered":"

For manufacturing of glass, which among the following is used as a source of silica ?<\/p>\n

[amp_mcq option1=”Fine clay soil” option2=”Wood powder” option3=”Coconut shell” option4=”Sand” correct=”option4″]<\/p>\n

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This question was previously asked in<\/div>\n
UPSC NDA-1 – 2023<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nGlass is primarily composed of silica (silicon dioxide, SiO\u2082). The main raw material used as a source of silica for glass manufacturing is sand, specifically high-purity silica sand (often called quartz sand). Other components like soda ash (sodium carbonate) and limestone (calcium carbonate) are added to lower the melting point and improve workability.
\n<\/section>\n
\n– Glass is mainly made of silica (SiO\u2082).
\n– The primary natural source of silica used in glass manufacturing is sand.
\n– High purity silica sand is preferred for glassmaking.
\n<\/section>\n
\nFine clay soil contains silica, but it also contains many impurities (like alumina, iron oxides) that would affect the clarity and properties of the glass. Wood powder and coconut shells are organic materials and not sources of silica for glassmaking.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

For manufacturing of glass, which among the following is used as a source of silica ? [amp_mcq option1=”Fine clay soil” option2=”Wood powder” option3=”Coconut shell” option4=”Sand” correct=”option4″] This question was previously asked in UPSC NDA-1 – 2023 Download PDFAttempt Online Glass is primarily composed of silica (silicon dioxide, SiO\u2082). The main raw material used as a … <\/p>\n

Detailed SolutionFor manufacturing of glass, which among the following is used as a sou<\/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":[1105,1096,1326],"class_list":["post-87996","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1105","tag-chemistry","tag-non-metals","no-featured-image-padding"],"yoast_head":"\nFor manufacturing of glass, which among the following is used as a sou<\/title>\n<meta name=\"description\" content=\"Glass is primarily composed of silica (silicon dioxide, SiO\u2082). The main raw material used as a source of silica for glass manufacturing is sand, specifically high-purity silica sand (often called quartz sand). Other components like soda ash (sodium carbonate) and limestone (calcium carbonate) are added to lower the melting point and improve workability. - Glass is mainly made of silica (SiO\u2082). - The primary natural source of silica used in glass manufacturing is sand. - High purity silica sand is preferred for glassmaking.\" \/>\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\/for-manufacturing-of-glass-which-among-the-following-is-used-as-a-sou\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"For manufacturing of glass, which among the following is used as a sou\" \/>\n<meta property=\"og:description\" content=\"Glass is primarily composed of silica (silicon dioxide, SiO\u2082). The main raw material used as a source of silica for glass manufacturing is sand, specifically high-purity silica sand (often called quartz sand). Other components like soda ash (sodium carbonate) and limestone (calcium carbonate) are added to lower the melting point and improve workability. - Glass is mainly made of silica (SiO\u2082). - The primary natural source of silica used in glass manufacturing is sand. - High purity silica sand is preferred for glassmaking.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/for-manufacturing-of-glass-which-among-the-following-is-used-as-a-sou\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:59:19+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":"For manufacturing of glass, which among the following is used as a sou","description":"Glass is primarily composed of silica (silicon dioxide, SiO\u2082). 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