{"id":5604,"date":"2024-04-15T02:16:03","date_gmt":"2024-04-15T02:16:03","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5604"},"modified":"2024-04-15T02:16:03","modified_gmt":"2024-04-15T02:16:03","slug":"what-is-the-most-common-salt-in-sea-water-a-calcium-carbonate-b-potassium-chloride-c-sodium-chloride-d-magnesium-sulphate","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/what-is-the-most-common-salt-in-sea-water-a-calcium-carbonate-b-potassium-chloride-c-sodium-chloride-d-magnesium-sulphate\/","title":{"rendered":"What is the most common salt in sea water? A. Calcium carbonate B. Potassium chloride C. Sodium chloride D. Magnesium sulphate"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;Calcium carbonate&#8221; option2=&#8221;Potassium chloride&#8221; option3=&#8221;Sodium chloride&#8221; option4=&#8221;Magnesium sulphate&#8221; correct=&#8221;option3&#8243;]<!--more--><\/p>\n<p>The correct answer is C. Sodium chloride.<\/p>\n<p>Sodium chloride is the most abundant mineral found in seawater, comprising about 85% of all dissolved salts. It is also the main component of table salt.<\/p>\n<p>Calcium carbonate is the second most abundant mineral in seawater, comprising about 10% of all dissolved salts. It is a major component of limestone and chalk.<\/p>\n<p>Potassium chloride is the third most abundant mineral in seawater, comprising about 3% of all dissolved salts. It is a major component of fertilizers and batteries.<\/p>\n<p>Magnesium sulphate is the fourth most abundant mineral in seawater, comprising about 2% of all dissolved salts. It is a major component of Epsom salts and is used in many industrial applications.<\/p>\n<p>Other minerals found in seawater include calcium sulfate, magnesium chloride, sodium bicarbonate, and potassium bromide.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;Calcium carbonate&#8221; option2=&#8221;Potassium chloride&#8221; option3=&#8221;Sodium chloride&#8221; option4=&#8221;Magnesium sulphate&#8221; correct=&#8221;option3&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[638],"tags":[],"class_list":["post-5604","post","type-post","status-publish","format-standard","hentry","category-chemistry-in-everyday-life","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>What is the most common salt in sea water? 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