Assignments:
1. Gravimetric analysis measures the ------ of a material formed in the reaction of the analyte with the reagent.
a. Mass
b. Density
c. Volume
2. -----is a type of co-precipitation in which impurities are trapped within the growing crystal.
a. Nucleation
b. Occlusion
c. Crystallization
3. Sometimes a precipitate standing in contact with the mother liquor becomes contaminated by the precipitation of an impurity on top of the desired precipitate. This phenomenon is called ---------
a. Co-precipitation
b. Post precipitation
c. Digestion
4. A colloid is solid made up of particles having diameters less than ------ cm
a.10-7
b.10-4
c.10-22
5. ....... is a process in which a minimum no. of atoms, ions or molecules join together to give a stable solid
a. Nucleation
b. Occlusion
c. Adsorption
Answer:
1(a), 2(b), 3(b), 4(b), 5(a)