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Magnesium: Quiz

  
  
  
  
  

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More interesting facts on Magnesium

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Question 1: The metal itself was first produced in England by Sir ________ in 1808 using electrolysis of a mixture of magnesia and mercury oxide.
William Thomson, 1st Baron KelvinChlorineHumphry DavyGeorge Biddell Airy

Question 2: Magnesium is capable of reducing water to the highly flammable ________ gas:[26]
HeliumNitrogenOxygenHydrogen

Question 3: When working with powdered magnesium, safety glasses with welding eye protection are employed, because the bright white light produced by burning magnesium contains ultraviolet light that can permanently damage the ________ of the eyes.
Iris dilator muscleCiliary muscleScleraRetina

Question 4: Magnesium also reacts with carbon dioxide to form magnesium oxide and ________:
UraniumCarbonAluminiumOxygen

Question 5: Numerous magnesium ________ are available.
HerbalismVitaminWolfberryDietary supplement

Question 6: Magnesium ion is necessary for all life (see ________), so magnesium salts are an additive for foods, fertilizers (Mg is a component of chlorophyll), and culture media.
Human iron metabolismMetal metabolismMagnesium in biologyCalcium metabolism

Question 7: Green leafy vegetables such as ________ are also rich in magnesium as they contain chlorophyll which is rich in magnesium.
Brussels sproutBroccoliSpinachAmaranth

Question 8: Magnesium borate, magnesium salicylate and magnesium sulfate are used as ________.
AntisepticChlorhexidineHydrogen peroxidePovidone-iodine

Question 9: As of 2005, ________ has taken over as the dominant supplier, pegged at 60% world market share, which increased from 4% in 1995.
ChinaReligion in ChinaTime in ChinaProvince (China)

Question 10: The name originates from the Greek word for a district in Thessaly called ________.
EuboeaKarditsa PrefectureLarissa PrefectureMagnesia
















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