Name the mineral which is used to reduce cavity.
Abrasive minerals like silica, limestone, aluminium oxide and various phosphate minerals do the cleaning. Fluoride which is used to reduce cavities, comes from a mineral fluorite. Most toothpaste are made white with titanium oxide, which comes from minerals called rutile, ilmenite and anatase.
What has raised uncertainties about the security of energy supply in the future?
Which out of the following is derived from the ocean waters?
The most recoverable form of bromine is from soluble salts found in seawater, salt lakes, inland seas and brine wells. Sea water contains bromine in about 65 parts per million (ppm) but bromine is found in much higher concentrations (2,500 to 10,000 ppm) in inland seas and brine wells.
Nagarcoil and Jaisalmer are well-known for the effective use of ?
Which is India's oldest oil producing state?
Which state in India is the largest producer of bauxite?
What are the Khetri mines famous for?
India is critically deficient in the reserve and production of:
India is critically deficient in the reserve and production of copper. Being malleable, ductile and a good conductor, copper is mainly used in electrical cables, electronics and chemical industries.
Which out of the following minerals is formed as a result of evaporation in the arid regions?
Which state in India is the largest producer of manganese ores?
Biogas plants using cattle dung are called:
The Monazite sands of Kerala are rich in:
Which place in India is ideal for utilising tidal energy?
In India, the Gulf of Kachchh, provides ideal conditions for utilising tidal energy. A 900 mw tidal energy power plant is set up here by the National Hydropower Corporation.
Which out of the following minerals is formed by the decomposition of surface rocks, and leaves a residual mass of weathered material?
What is low grade brown coal called?
Lignite, often referred to as brown coal, is a soft, brown, combustible, sedimentary rock formed from naturally compressed peat. It is considered the lowest rank of coal due to its relatively low heat content.
Which out of the following metallic minerals is obtained from veins and lodes?
Which mineral is used for generating atomic or nuclear power?
Name the mines in Karnataka which is a 100 per cent export unit?
The Koderma-Gaya-Hazaribagh belt of Jharkhand is a leading producer of:
Where is the largest solar plant of India located?
About 63 per cent of India's petroleum production is from:
What is 'Rat hole' mining?
Which out of the following is a non-conventional source of energy?
In which kind of rocks are the minerals deposited and accumulated in the strata's?
Which out of the following minerals occurs in the sands of valley floors and the base of hills?
Certain minerals may occur as alluvial deposits in sands of valley floors and the base of hills. These deposits are called 'placer deposits' and generally contain minerals which are not corroded by water. Gold, silver, tin and platinum are most important among such minerals.