| Basis of comparison | SOLID | LIQUID | GAS |
| Intermolecular spaces | Solids have very less intermolecular spaces | Liquids have small intermolecular spaces, which is more than the solid | Gases have very large intermolecular spaces. |
| Intermolecular forces | Solids have very strong Intermolecular forces of attraction. | Liquids have less Intermolecular forces of attraction than the solids | Gases have negligible Intermolecular forces of attraction. |
| fluidity | Solids cannot flow | Liquids can flow from higher to lower level. | Gases can flow in all direction. |
| number of free surfaces | solids have infinite number of free surfaces | Liquids have only one free surfaces | Gases have no free surfaces |
| compressibility | Solids cannot be compressed | Liquids can be very slightly compressed | Gases can be easily compressed. |
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| List I | LIst II | ||
| 1 | Fluorine and chlorine | A | Nitrogen |
| 2 | A diatomic molecule | B | Boron |
| 3 | A molecule containing the elements hydrogen and oxygen. | C | Reactants |
| 4 | A metalloid - showing properties of both metals and non-metals. | D | Chemical Formula |
| 5 | The term used for the substances which take part in the chemical reaction | E | Halogens |
| 6 | The term represents a substance by means of symbols. | F | Water |
| 7 | The term used for the substances formed as a result of a chemical reaction | G | Nitric Acid |
| 8 | A compound containing one atom of zinc and two atoms of chlorine. | H | Products |
| 9 | The chemical name for nitrogen monoxide. | I | Phosphorus |
| 10 | A polyatomic molecule. | J | Zinc Chloride |
