What is the mixture Y in the diagram below?

A. NH4NO3(s) + CaSO4(s)
B. NH4Cl(s) + NaNO2(s)
C. NH4NO2(s) + Na2SO4(s)
D. NH4Cl(s) + Ca(OH)2(s)

Correct Answer:

Option D = NH4Cl(s) + Ca(OH)2(s)