Optical Activity Optical Activity is a substance is said to be optically active if it can rotate the plane polarization of polarized light. It is the property…
Molar Refraction Molar refraction has been found to be an additive as well as a constitutive property, and in the same way as for volume equivalent and…
Refractive Index Refractive index is the ratio of the velocity of light in a vacuum to its velocity in a specified medium. It is the ratio of…
Applications of the Parachor Applications of the Parachor Parachor is the molecular weight of liquid times the fourth root of its surface tension, divided by the difference between the…
Parachor Parachor is the molecular weight of liquid times the fourth root of its surface tension, divided by the difference between the density of the liquid…
Molar Volume Molar Volume The molar volume of any substance is the volume occupied by one mole of the substance. This quantity is easily determined by dividing…
Preparation of Emulsion Preparation of Emulsion An emulsion is a dispersion of one liquid into another liquid in the form of small globules. Emulsions are generally prepared by…
Importance of Colloids Importance of Colloids The study of colloids, lyophobic, lyophilic, molecular, or colloidal electrolytes is important not only for the satisfaction of an inquisitive mind but…
Emulsion An emulsion is a dispersion of one liquid into another liquid in the form of small globules. Milk is a well-known emulsion. Many oils of…
Imbibition and Swelling Imbibition and Swelling If some gelatin or agar is placed in water it first swells considerably and then either pass on to dispersion or remains…