Nature of Matter

Identify an example for a non-matter.

What is a matter?

Write few examples for non-matter.

Write the classification of pure substances.

Give a definition of pure substances?

Define energy.

Define a matter.

Which of the following characteristic property of the solid?

Which of the following has a definite shape and volume?

How are the constituent particles arranged in solids?

Define solid?

A _____is a substance formed when two or more different elements are chemically bonded together.

Helium $\left(\mathrm{He}\right)$ gas, iodine $\left({\mathrm{I}}_2\right)$, oxygen $\left({\mathrm{O}}_2\right)$ and water are elements.

Which of the following is not a chemical fertilizer?

Which of the following is compound?

The conversion of liquid into gas is called _____. (vaporisation / condensation)

The conversion of solid into liquid is called _____ process.

Water changes into water vapour on heating. This process is known as:

A gas fills completely the vessel in which it is kept.

Which of the following statements about a compound is incorrect?