Chemistry Language

• Zinc + dilute hydrochloric acid → zinc chloride + hydrogen

• Copper oxide + Sulphuric acid → copper sulphate + water

• Copper carbonate = Copper oxide + carbondioxide

Molecular formula of sodium chloride.

• Fecl2

What is reactants and products

Colour change of Copper Carbonate

Do&Show

what is change of state. Explain { language of chemistry}

draw some chemicals

so What is Exothermic Reaction............