NEET Questions

$10,{\rm{ }}10,{\rm{ }}10$

$8,{\rm{ }}10,{\rm{ }}11$

$10,{\rm{ }}11,{\rm{ }}10$

$11,{\rm{ }}10,{\rm{ }}10$

$- 3.8{\rm{ }}^\circ C$

$3.8{\rm{ }}^\circ C$

$0{\rm{ }}^\circ C$

$3.2{\rm{ }}^\circ C$

Insoluble impurities like silica

Impurities like carbonates and bicarbonates of calcium and magnesium

High density and different physical properties than those of water

The capacity to expedite the rate of nuclear reactions

Insoluble impurities like silica

Impurities like carbonates and bicarbonates of calcium and magnesium

High density and different physical properties than those of water

The capacity to expedite the rate of nuclear reactions

It is poisonous

It is costly

Its physiological action is different from ordinary water

Its chemical properties are different from ordinary water

$0{\rm{ }}^\circ C$

$4{\rm{ }}^\circ C$

$11.6{\rm{ }}^\circ C$

$3.8{\rm{ }}^\circ C$

Moderator

Coolant

Both moderator and coolant

Neither coolant nor moderator

(i) and (ii)

(i), (ii) and (iii)

(ii) and (iii)

(i) and (iii)

${{\rm{H}}_2}{{\rm{O}}^{18}}$

${{\rm{D}}_2}{\rm{O}}$

${{\rm{T}}_2}{\rm{O}}$

${{\rm{H}}_2}{{\rm{O}}^{17}}$

Reactions of D₂O are slower than H₂O

D₂O has a higher boiling point than H₂O

D₂O has a higher density than H₂O

D₂O has a lower viscosity than H₂O