Osmotic pressure is one of the colligative properties of the solution. If two solutions at different concentrations are separated by…
Liquids
Everything that occupies space and has some weight is called matter. There are four states of matter that are; solid,…
Water is the most abundant chemical substance in the universe. It is vital for all living things and the main…
Photochemical smog is a mixture of smoke, fog, and contaminants. It is formed when ozone-depleting substances such as nitrogen oxides,…
Diffusion is the random movement of particles from a higher concentration region to an area of lower concentration. Graham’s law…
Solubility is the physical property of a substance. It is defined as the grams of solute dissolved per 100 ml…
A liquid is said ‘normal’ if it decreases its volume and increases its density upon freezing. Similarly, if a liquid…
Since water comes from different sources, the quality of water in a region can vary considerably from other regions. Water…
Buffer solutions resist changes in pH. When a small amount of base or acid is added to a solution containing…
Polar solvents are solvents with large dipole moments whereas nonpolar solvents have low or sometimes, no dipole moment at all….