What are the Applications of Colloids?
admin Colloids play a very significant role in nature and in our daily life. Some of the important applications of colloids are discussed below: 1) Medicines: Medicines in colloidal form are…
Surface Chemistry
What do you mean by gels? How they are classified?
The colloidal system constituting the liquid as the dispersed phase and the solid as the dispersion medium is known as gel. There are some sols that have a high concentration…
What do you mean by catalyst?
Catalyst is a substance which can change the speed of a chemical reaction without being used up in that reaction and the phenomenon is known as catalysis. Catalyst is divided…
Define homogeneous catalyst and heterogeneous catalyst?
Homogeneous catalyst: If the catalyst is present in the same phase as the reactants, it is called a homogeneous catalyst and this type of catalyst is called homogeneous catalysis. Heterogeneous…
What are Zeolites?
Zeolites are aluminosilicates i.e. three dimensional net work silicates in which some silicon atoms are replaced by aluminium atoms. They are found in nature as well as synthesized in the…
What do you mean by enzymes as catalyst?
All biological reactions are catalyzed by special catalyst called enzymes. Thus enzymes are defined as biological catalyst. Chemically all enzymes are globular proteins. However, some enzymes are also associated with…