What is the chemical property? Why is reducibility a chemical property

What is the chemical property? Why is reducibility a chemical property


Chemical properties are the properties of a substance in chemical changes. For example, the chemical properties of a substance include acidity, alkalinity, oxidizability, reducibility, thermal stability and some other properties. There are two definitions of physical properties. One is the properties of a substance that does not need to undergo chemical changes, and the other is that the substance does not have



What is physical property? What is chemical property? Urgent


Physical properties one of the physical properties of a substance, such as: color, smell, state, whether it is easy to sublimate, volatilize, etc., can be perceived by people's ears, nose, tongue, body and other sensory perception, and some properties, such as melting point, boiling point, hardness, conductivity, thermal conductivity, ductility, etc., can be measured by instruments



Why are most ancient coins made of iron and copper


China is one of the earliest countries to use currency in the world, with a history of 5000 years. In the process of its formation and development, ancient Chinese currency has experienced five major evolutions: 1. The evolution from natural currency to artificial currency



A factory needs 2000m aluminum wire with cross-sectional area of 0.8mm ^ 2, so we should buy this kind of aluminum wire_____ Kg (density of aluminum = 2.7
10^3kg/m^3)


According to the formula: v = s × L = 0.8 × 2000 / 1000 / 1000 = 0.0016 (M & # 179;)
G=Vr=0.0016×1000=1.6(kg)
You should buy this aluminum wire 1.6kg