Give the uses of heavy water. - Chemistry

Give the uses of heavy water.

Answer in Brief

Heavy water is used as a moderator in nuclear reactors as it can lower the energies of fast-moving neutrons.
D₂O is commonly used as a tracer to study organic reaction mechanisms and mechanisms of metabolic reactions.
It is also used as a coolant in nuclear reactors as it absorbs the heat generated.

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Heavy Water

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Chapter 4: Hydrogen - Evaluation [Page 123]

Chapter 4 Hydrogen
Evaluation | Q II. 12. | Page 123

Knowing the properties of H₂O and D₂O, do you think that D₂O can be used for drinking purposes?

Heavy water is used as

Do you think that heavy water can be used for drinking purposes?

Write redox reaction between fluorine and water.

Correlate the items listed in Column I with those listed in Column II. Find out as many correlations as you can.

Column I	Column II
(i) Synthesis gas	(a) \[\ce{Na2 [Na4(PO3)6]}\]
(ii) Dihydrogen	(b) Oxidising agent
(iii) Heavy water	(c) Softening of water
(iv) Calgon	(d) Reducing agent
(v) Hydrogen peroxide	(e) Stoichiometric compounds of s-block elements
(v) Salt like hydrides	(f) Prolonged electrolysis of water
	(g) \[\ce{Zn + NaOH}\]
	(h) \[\ce{Zn + dil. H2SO4}\]
	(i) Synthesis of methanol
	(j) Mixture of \[\ce{CO}\] and \[\ce{H2}\]

Match the terms in Column I with the relevant item in Column II.

Column I	Column II
(i) Electrolysis of water produces	(a) atomic reactor
(ii) Lithium aluminium hydride is used as	(b) polar molecule
(iii) Hydrogen chloride is a	(c) recombines on metal surface to generate high temperature
(iv) Heavy water is used in	(d) reducing agent
(v) Atomic hydrogen	(e) hydrogen and oxygen

What is heavy water?

Heavy water is used in atomic reactor as

Of the two solvent H₂O and D₂O, NaCl dissolves ______.