QUESTION 1
A/Sand has the ability to
B/Dissolves in water
C/Sublimate when heated
D/Evaporate when heated
E/None of the above
______
QUESTION 2
The chemical NH4Cl has the ability to:
A-Dissolves in water
B-Sublimate when heated
C-Melt when heated
D-Evaporate when heated
_______
Question3
Ammonium chloride has the ability to change directly from the solid to the gas state without using the heat.
True
False
__________
QUESTION 4
Which technique do you use to dry out the wet sand?
Filtration
Decantation
Using heat for sublimation
. Using heat for evaporation
___________
QUESTION 5
When heating a mixture of salt, and ammonium chloride, which substance will be affected?
All of them
Sand and salt only
Sand only
Ammonium chloride only
