1.

What is the use of A) graphite B) cadmiumC) heavy water

Answer»

Uses of Graphite

Graphite has been used since ancient times. It has a wide range of applications in the modern world too. Let’s look at some of the common uses of graphite below.

  • Writing Materials
  • Lubricants
  • Refractory
  • Nuclear Reactors
  • Batteries
  • Graphene Sheets

Uses of Cadmium 

► The element cadmium's uses are numerous. Cadmium is one of the byproducts of the primary non-ferrous industry.  

► It has several unique and remarkable characteristics. Some of them are great resistance to corrosion, excellent electrical conductance, low melting point and its excellent resistance to chemicals and high temperatures.  

► Scientists and engineers have been able to make use of these unique properties of cadmium in several important industrial applications.   

► Cadmium is used in electroplating, which is the process of coating metal by making use of an electric current. Electroplating accounts for more than 60% of cadmium use.  

► It is used in bearing alloys which has great resistance to fatigue and low coefficients of friction. Cadmium is widely used in electronic items. 

Uses of Heavy Water

India is one of the world’s largest producers of heavy water through its Heavy Water Board and also exports to countries like The United States and The Republic of Korea. Heavy water is used in certain types of nuclear reactors, where it acts as a neutron moderator to slow down neutrons. The different applications and uses of heavy water are mentioned below.

  • Nuclear magnetic resonance
  • In Organic chemistry
  • Fourier transform spectroscopy
  • Neutron moderator
  • Neutrino detector
  • Metabolic rate testing in physiology and biology
  • Tritium production


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