{"id":87737,"date":"2025-06-01T06:53:11","date_gmt":"2025-06-01T06:53:11","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87737"},"modified":"2025-06-01T06:53:11","modified_gmt":"2025-06-01T06:53:11","slug":"which-one-of-the-following-is-not-used-as-a-raw-material-in-the-manufa","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-used-as-a-raw-material-in-the-manufa\/","title":{"rendered":"Which one of the following is not used as a raw material in the manufa"},"content":{"rendered":"

Which one of the following is not used as a raw material in the manufacture of glass ?<\/p>\n

[amp_mcq option1=”Soda” option2=”Alumina” option3=”Borax” option4=”Gypsum” correct=”option4″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-1 – 2021<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nGypsum is not typically used as a primary raw material in the manufacture of standard glass.
\n<\/section>\n
\nThe main raw materials for manufacturing common soda-lime glass are silica (sand), soda ash (sodium carbonate), and limestone (calcium carbonate). Alumina and borax are used in the production of specialized glasses like aluminosilicate glass and borosilicate glass, respectively. Gypsum (calcium sulfate) is primarily used in plaster, drywall, and cement production.
\n<\/section>\n
\nMinor components might be added to glass batches as fining agents (to remove bubbles), colorants, or flux enhancers, but gypsum is not a standard ingredient for bulk glass manufacturing.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following is not used as a raw material in the manufacture of glass ? [amp_mcq option1=”Soda” option2=”Alumina” option3=”Borax” option4=”Gypsum” correct=”option4″] This question was previously asked in UPSC NDA-1 – 2021 Download PDFAttempt Online Gypsum is not typically used as a primary raw material in the manufacture of standard glass. The main … <\/p>\n

Detailed SolutionWhich one of the following is not used as a raw material in the manufa<\/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":[1110,1096,1239],"class_list":["post-87737","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1110","tag-chemistry","tag-inorganic-chemistry","no-featured-image-padding"],"yoast_head":"\nWhich one of the following is not used as a raw material in the manufa<\/title>\n<meta name=\"description\" content=\"Gypsum is not typically used as a primary raw material in the manufacture of standard glass. The main raw materials for manufacturing common soda-lime glass are silica (sand), soda ash (sodium carbonate), and limestone (calcium carbonate). Alumina and borax are used in the production of specialized glasses like aluminosilicate glass and borosilicate glass, respectively. Gypsum (calcium sulfate) is primarily used in plaster, drywall, and cement production.\" \/>\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\/which-one-of-the-following-is-not-used-as-a-raw-material-in-the-manufa\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following is not used as a raw material in the manufa\" \/>\n<meta property=\"og:description\" content=\"Gypsum is not typically used as a primary raw material in the manufacture of standard glass. The main raw materials for manufacturing common soda-lime glass are silica (sand), soda ash (sodium carbonate), and limestone (calcium carbonate). 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