Question : Bauxite is an alloy of which of the following metals?
Option 1: Aluminium
Option 2: Silver
Option 3: Tin
Option 4: Iron
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Correct Answer: Aluminium
Solution : The correct answer is Aluminium.
Bauxite (Al2O3.2H2O) is an Aluminium ore found in sedimentary rocks and is the source of aluminium. In India, it is majorly found in Odisha. Australia is the largest producer of Bauxite in the world and India ranks 7th in Bauxite production. Other ores of aluminium are Cryolite and Corundum.
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Question : Which among the following is a metallic mineral?
Option 1: Sandstone
Option 2: Bauxite
Option 3: Mica
Option 4: Potash
Question : "Panna" is an important place in Madhya Pradesh. It is famous for:
Option 1: gold mines
Option 2: silver mines
Option 3: diamond mines
Option 4: iron mines
Question : Which of the following chemicals is used as rodenticide?
Option 1: Copper sulphate
Option 2: Zinc sulphide
Option 3: Iron sulphate
Option 4: None of these
Question : Which of the following is a macromineral needed in large amounts by the human body?
Option 1: Iron
Option 2: Zinc
Option 3: Iodine
Option 4: Phosphorus
Question : Which of the following regions related to iron ore minerals is located in the state of Odisha?
Option 1: Burdwan
Option 2: Noamundi
Option 3: Mayurbhanj
Option 4: Kemmangundi
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