Question

State two disadvantages of crystallization over evaporation to dryness

Answer 1

Explanation:

✷three advantages are

1. in evaporation the soluble impurities (and insoluble impurities sometimes) are mixed but crystallization process separates the soluble and insoluble impurities from the solid
2. in evaporation the resultant object obtained is in powdery form but in crystallization it is pure crystal
3. In evaporation, the solution is heated to dryness, so some solids like sugar may get charred but it is not so in process of crystallization hope this helps

hope it's useful for you (◠‿◕)

Answer 2

1) reducing the regular woring hour'so to eight hours . 2) improvement of barracks and working conditions. 3) increase of wages.