Matter and properties of substance.Substance refers to what a mass need to address and touch. The status of solid, liquid and gas, for example, money (Ag).And NaCl (NaCl) solid that (H2O) and ethanol (C2H5O) liquid carbon dioxide (CO2).Oxygen (O2) is a gas.The properties of mean annual appearance bright body substance, such as a state, color, smell, taste, solubility, การน้ electric boiling point and burning.Burning, etc.
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