The way the molecules are arranged hi a solid, liquid or gas, determines its properties. The molecules in solids are tightly packed and they attract each other strongly. Therefore, solids have the following properties.
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Oxygen is one of the inputs and carbon dioxide is one of the outputs of respiration. Therefore, oxygen has to be supplied to all cells of the body and carbon dioxide produced in cells has to be taken away
Some of the important properties of gages are : 1. A gas has no definite shape or volume of its own. It acquires the shape of the container. 2. A gas has no surface of its own. 3. A gas is not rigid and is easily compressed 4. A gas can diffuse into another gas and etc.
Take two cotton plugs, one soaked in ammonium hydroxide (liquid) and another in hydrochloric acid (liquid). Place them simultaneously at the two ends A and B of a long glass tube. Close the two ends of the tube immediately.
Each physical state of matter possesses characteristics properties of its own. For example: solids are rigid, and incompressible, liquids are almost incompressible but less incompressible than solids, gases are highly compressible, i.e. gases can be compressed easily by applying pressure.