what is the colour change of the solution when copper metal is added into iron ii chloride solution?

There will be no color change when copper metal is added into iron ll chloride solution, because copper is less reactive than iron and can't displace iron from its compound. the solution will be kept intact with copper immersed into it .

a polar bond is formed when electrons are shared unevenly between atoms

answer: cellular respiration takes in food and uses it to create atp, a chemical which the cell uses for energy. usually, this process uses oxygen, and is called aerobic respiration. it has four stages known as glycolysis, link reaction, the krebs cycle, and the electron transport chain.