GEOLOGY EXPERTS ONLY Multiple choice 1. Iron ore that occurs in igneous intrusio

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GEOLOGY EXPERTS ONLY
Multiple choice
1. Iron ore that occurs in igneous intrusion is largely of the form A)siderite B)lepidocrocite C)hematite D)magnetite E)goethite
2. Algoma type deposits comprise iron oxides and silica precipitated from A)evaporates B)sedimentary deposits carried by water C)hot springs related to submarine volcanism D)hydrothermal activity in orogenic belts
3. Bauxites form from A) weathering of any rocks with aluminum B)only from weathering of mafic rocks C)weathering of extrusive rocks D)weathering of aluminum rich Felsic rocks
4. 95% of world titanium production goes to A)explosives B)pharmaceuticals C)making titanium oxide (for paint) D)making alloys E) all of the above
5. What is the most abundant metal in earths CRUST? A)titanium B)magnesium C)aluminum D)silicone E)iron GEOLOGY EXPERTS ONLY
Multiple choice
1. Iron ore that occurs in igneous intrusion is largely of the form A)siderite B)lepidocrocite C)hematite D)magnetite E)goethite
2. Algoma type deposits comprise iron oxides and silica precipitated from A)evaporates B)sedimentary deposits carried by water C)hot springs related to submarine volcanism D)hydrothermal activity in orogenic belts
3. Bauxites form from A) weathering of any rocks with aluminum B)only from weathering of mafic rocks C)weathering of extrusive rocks D)weathering of aluminum rich Felsic rocks
4. 95% of world titanium production goes to A)explosives B)pharmaceuticals C)making titanium oxide (for paint) D)making alloys E) all of the above
5. What is the most abundant metal in earths CRUST? A)titanium B)magnesium C)aluminum D)silicone E)iron
Multiple choice
1. Iron ore that occurs in igneous intrusion is largely of the form A)siderite B)lepidocrocite C)hematite D)magnetite E)goethite
2. Algoma type deposits comprise iron oxides and silica precipitated from A)evaporates B)sedimentary deposits carried by water C)hot springs related to submarine volcanism D)hydrothermal activity in orogenic belts
3. Bauxites form from A) weathering of any rocks with aluminum B)only from weathering of mafic rocks C)weathering of extrusive rocks D)weathering of aluminum rich Felsic rocks
4. 95% of world titanium production goes to A)explosives B)pharmaceuticals C)making titanium oxide (for paint) D)making alloys E) all of the above
5. What is the most abundant metal in earths CRUST? A)titanium B)magnesium C)aluminum D)silicone E)iron

Explanation / Answer

Question 4) answer) option C) making titanium oxide (for paint)

Reason : 5% of the world's annual production of titanium is used to make titanium metal. Remaining 95% of the production is used mainly to make white TiO2 (titanium oxide) which is used for paints

Question 5) answer) option C) Aluminum

Reason : Most abundant element is Oxygen which is followed by Silicon but both of these are non-metals. Aluminium which is most abundant metal.

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