mukul2005malik Asked: June 2023 QUESTIONS3.QUE.1 Why does the colour of copper sulphate solution change whenan iron nail is dipped in it? QUE.2 Give an example of a double displacement
mukul2005malik Asked: June 2023 3.the one given in Activity 1.10.Identify the substances that are oxidised and the substancesthat are reduced in the following reactions.(i) 4Na(s) + 0,(g)