In the reaction $\mathrm{Cu(NO_3)_2 + 2NaOH \rightarrow Cu(OH)_2 + 2NaNO_3}$, sodium nitrate—

Question

Accepted Answer

remains dissolved in water and adds no colour

Answer

precipitates as solid

Answer

evolves as a gas

Answer

floats on top

In the reaction Cu(NO3)2+2NaOH→Cu(OH)2+2NaNO3\mathrm{Cu(NO_3)_2 + 2NaOH \rightarrow Cu(OH)_2 + 2NaNO_3}Cu(NO3​)2​+2NaOH→Cu(OH)2​+2NaNO, sodium nitrate—