The Full Wiki

Iron ore: Quiz

Advertisements
  
  
  
  
  

Did you know ...


More interesting facts on Iron ore

Include this on your site/blog:








Question 1: Occasionally ________ and ultrapotassic igneous rocks segregate magnetite crystals and form masses of magnetite suitable for economic concentration.
DioriteGraniteBasaltFelsic

Question 2: The world's largest producer of iron ore is the Brazilian mining corporation Vale, followed by Anglo-Australian companies ________ and Rio Tinto Group.
National Australia BankNews CorporationBHP BillitonWestpac

Question 3: Small amounts of ________ (Al) are present in many ores (often as clay) and some limestone.
GoldAluminiumTitaniumCopper

Question 4: ________ (P) has four major effects on iron: increased hardness and strength, lower solidus temperature, increased fluidity, and cold shortness.
OxygenNitrogenArsenicPhosphorus

Question 5: The total recoverable reserves of iron ore in ________ are about 9,602 million tones of hematite and 3,408 million tones of magnetite.
IndiaIndia and the Non-Aligned MovementLok SabhaResearch and Analysis Wing

Question 6: Banded iron formations (BIF) are metamorphosed sedimentary rocks composed predominantly of thinly bedded iron minerals and silica (as ________).
OpalQuartzAgateAmethyst

Question 7: Metallic iron is virtually unknown on the surface of the Earth except as iron-nickel alloys from ________ and very rare forms of deep mantle xenoliths.
Impact craterMeteoriteImpact eventMeteoroid

Question 8: Iron ores consists of ________ and iron atoms bonded together into molecules.
HydrogenNitrogenHeliumOxygen

Question 9: ________ iron ore deposits are currently exploited on all continents, with the largest intensity in South America, Australia and Asia.
HematiteGalenaCinnabarMagnetite

Question 10: A few iron ore deposits, notably in ________, are formed from volcanic flows containing significant accumulations of magnetite phenocrysts.
ChileFranceArgentinaPhilippines







Advertisements









Got something to say? Make a comment.
Your name
Your email address
Message