Chemistry
Match the following:
| Column A | Column B |
|---|---|
| (a) Fluids | (i) space between the molecules |
| (b) Melting point | (ii) change of state from gas to liquid |
| (c) Atoms | (iii) substances which can flow |
| (d) Intermolecular space | (iv) the smallest particles of matter |
| (e) Condensation | (v) the temperature at which a solid changes to a liquid |
Answer
| Column A | Column B |
|---|---|
| (a) Fluids | (iii) substances which can flow |
| (b) Melting point | (v) the temperature at which a solid changes to a liquid |
| (c) Atoms | (iv) the smallest particles of matter |
| (d) Intermolecular space | (i) space between the molecules |
| (e) Condensation | (ii) change of state from gas to liquid |
Related Questions
Fill in the blanks:
(a) Air is a matter because it has …………… and …………… and it can be …………… .
(b) The molecules are made up of …………… .
(c) The quantity of matter in an object is called its …………… .
(d) The state of matter with definite volume and definite shape is called …………… .
(e) The substances which can flow are called …………… .
Write whether the following statements are true or false.
(a) Solids can diffuse very fast.
(b) The quantity of matter in an object is called volume.
(c) Atoms combine to form molecules.
(d) Particles of matter can move because they possess kinetic energy.
(e) When a liquid is heated, it solidifies.
Classify the following into solid, liquid and gas:
Coal, kerosene, wood, oxygen, sugar, blood, water vapour, milk, wax.
Give appropriate terms for the following:
(a) The change of a solid into liquid.
(b) The force of attraction between the molecules of matter.
(c) The particles of matter which may or may not have independent existence.
(d) The process due to which a solid directly changes into its vapours.
(e) The change of vapour into a liquid.