Which one of the following metals can be obtained from Bauxite?
Minerals need to be conserved because
(i) They are renewable.
(ii) They are depleting rapidly.
(iii) They are needed for the country’s industrial development.
(iv) Their formation is very fast.
Assertion: Minerals are an indispensable part of our lives.
Reason: Almost everything we use from a tiny pin to towering building all are made up of minerals.
Which of the following metals is a Ferrous (containing iron) metal?
Manganese: Manganese is not precisely a "ferrous metal", but it is one of the iron group of elements which originates in the hearts of giant stars before a supernova explosion.
Which one of the following places is known for lignite deposits?
Which of the following statements are incorrect with regard to placer deposits?
(i) They occur as alluvial deposits.
(ii) They are corroded by water.
(iii) They occur in ocean beds.
(iv) They are found in sands of the valley floors and the base of hills.
Assertion: Copper is mainly used in electric cables.
Reason: The Balaghat mines are leading producer of cooper
Which one of the following metals is a precious one?
Ocean beds are a treasure house of
The oceans hold a veritable treasure trove of valuable resources. Sand and gravel, oil and gas have been extracted from the sea for many years. In addition, minerals transported by erosion from the continents to the coastal areas are mined from the shallow shelf and beach areas.
The Hazira - Vijaipur - Jagdishpur pipeline does not pass through this state.