There are periodic and non-periodic changes. The changes that occur after a fixed time period are termed as periodic. The example of periodic changes is ....

There are physical and chemical changes. Physical changes is a change in which phisical of a substance may get altered but its chemical composition remains is same. The example of physical changes is ....

When water is heated at its boiling point in it changes into vapour, and water vapor can back again into water by condensation is called ....

Look at to the the statements below. Which one is an example of chemical change?

There are periodic and non-periodic changes. The changes that occur after a fixed time period are termed as periodic. The correct statements about periodic changes are ....

There are reversible and irreversible changes. A changes wich can be reversed by applying phyxical methods of temperature and preassure is termed as a reversible change. The example of reversible changes below are ....

There are chemical and phisical changes. Which one is an example of physical change?

The substance which is dissolved in a liquids is called solute. The example of solute are ....

The mixture obtained by dissolving solute in a solvent is known as solution. The example of solution is ....