Chemistry

Introduction: HNO3, is a chemical of great commercial importance. There are three important methods for its manufacture. METHODS OF PREPARATION … Read more

Uses of sulphuric acid. Sulphuric acid is the king of chemicals. It is used in almost all the industries. Industrial … Read more

sio2 structure. Carbon and silicon have four electrons in their valence shells. They are both tetravalent. It means that the … Read more

Allotropes of phosphorus Phosphorus exists in at least six allotropic forms which are all solids at room temperature. Anyhow, we … Read more

Definition: The vaporization of a solid directly on heating without passing through the liquid phase and condensation of these vapors … Read more

PERIODIC LAW: Mendeleev interpreted this relation between elements on the basis of Periodic Law which he Stated as: “The properties … Read more

Kinetically the crystalline solids can be interpreted as follows: Attractive Forces: The attractive forces among the molecules are maximum due … Read more

Properties of Liquids: There are some simple properties of liquids e.g.” dispersion, pressure, development, movement atoms, spaces between them, intermolecular … Read more

The Galvanic Cell: I have learned that, when a Zn rod is dipped into a  copper (II) sulfate solution, zinc … Read more

Factors Affecting Enzyme Activity: Enzymes are very sensitive to the environment in which they work, Any factor that can change … Read more