The mixed minerals are known as :
salts
compounds
sands
ores
Which one of the following may occur in association with petroleum?
Copper
Tin
Natural gas
Lignite
Which is used for both lubricants and fuel oils?
Asphalt base oil
Paraffin base oil
Mixed base oil
Linseed oil
Name the process in which deep wells are bored to take out petroleum and natural gas?
Quarrying
Drilling
Shaft mining
Open cast mining
Bhakra Nangal, Hirakud , Rihand and Nagarjuna Sagar are example of :
Solar energy plant
Hydroelectricity project
Wind energy product
None of them
The process of taking out mineral from rocks buried under the surface of the earth is named as:
mining
drilling
extracting
quarrying
The statements I and II are explanatory notes.I.Multipurpose projects are built over the rivers to prevent soil erosion and floods.II. Hirakud and Rihand are built in India Which option decribes better about the above statements?
Canal
Dams
Tanks
Reservoirs
Which one of the following is not an igneous rock?
Basalt
Dolerite
Granite
Limestone
Gold is an example of:
ferrous minerals
non- ferrous minerals
Both a and b
Non-metallic minerals
The largest producer of bauxite in the world is:
South America
North America
Australia
Africa
