What is the importance of copper to human body?
Copper is widely distributed in nature. The tissues of the body contain it in traces but the highest amount is found in the brain and liver. The mount found in adult body is about 100mg.
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How did the discovery of copper and iron change the life of the people in early times ?
Stones were the main tools and weapons of early human beings. This was the Stone Age. Better tools were developed to meet the increasing needs of the people. Strong tools and weapons were made only after the discovery of metals.
What are the physical properties of Copper?
Some of the most imporant physical properties of Copper are: 1. Copper has a characteristic reddish brown colour. It is highly malleable and ductile at ordinary temperature. It becomes brittle near melting point.
How to prepare crystals of copper sulphate ?
Below you can find useful resources on an experiment to prepare crystals of copper sulphate. Take a clean beaker (250 ml) and put the powdered impure sample of copper sulphate in it. Add distilled water and stir the contents gently with the help of a glass rod.