KCET 2019

In the reaction of gold with aquaregia, oxidation state of nitrogen changes from

Which cleansing agent gets precipitated in hard water?

Which of the following is a network crystalline solid?

The number of atoms in \(2.4 \mathrm{~g}\) of body centred cubic crystal with edge length \(200 \mathrm{pm}\) is (density \(=10 \mathrm{~g} \mathrm{~cm}^{-3}, \mathrm{~N}_A=6 \times 10^{23}\) atoms\(/ \mathrm{mol}\))

1 mole of \(\mathrm{NaCl}\) is doped with \(10^{-5}\) mole of \(\mathrm{SrCl}_2\). The number of cationic vacancies in the crystal lattice will be

The mass of \(\mathrm{AgCl}\) precipitated when a solution containing \(11.70 \mathrm{~g}\) of \(\mathrm{NaCl}\) is added to a solution containing \(3.4 \mathrm{~g}\) of \(\mathrm{AgNO}_3\) is [Atomic mass of \(\mathrm{Ag}=108\), Atomic mas...

Which of the following equations does not represent Charles's law for a given mass of gas at constant pressure?

Which of the following is an example of homogeneous catalysis?

Critical Micelle concentration for a soap solution is \(1.5 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}\). Micelle formation is possible only when the concentration of soap solution in \(\mathrm{mol} \mathrm{~L}^{-1}\) is

The reaction in which \(\Delta H=\Delta U\) is