Properties of Water

The dielectric constant of  ${\text{H}}_2\text{O}$ is 80. The electrostatic force of attraction between  $\text{N}{\text{a}}^{+}$ and  $\text{C}{\text{l}}^{-}$ will be

At its melting point ice is lighter than water because

Heavy water is called heavy because:

Water can be easily reduced to dihydrogen by highly electropositive metals is an example of _____ ?

Hydrolysis of ${\mathrm{SiCl}}_4$ gives

One mole of magnesium nitride on reaction with excess of water gives

The low density of ice compared to water is due to

What is the product formed when a compound of the third element of group$-2$ and second element of group$-15$ is reacted with water?

Which of the following hydrates contains interstitial water?

What is the product formed when a compound of the third element of group$-2$ and second element of group$-15$ is reacted with water?

Which of the following hydrates contains interstitial water?

One mole of magnesium nitride on reaction with excess of water gives

The low density of ice compared to water is due to

Types of bond present in ${\mathrm{CuSO}}_4.5{\mathrm{H}}_2\mathrm{O}$ :

${\mathrm{H}}_2\mathrm{O}<{\mathrm{H}}_2{\mathrm{O}}_2$ order is incorrect for :-

Which of the following statements is incorrect?

Why density of water is maximum at $4 °\mathrm{C}$?

Water shows a maximum density at

The H-O-H bond angle in water molecule is about:

The hydrolysis of one mole of peroxodisulphuric acid gives