Double displacement reaction between sodium sulphate and barium chloride.
Chemical reactions and equations
NCERT Science class 10 chemical reactions and equations notes, solved questions, activities, MCQ’s, Model papers and test paper
Displacement reaction by an iron nail in a copper sulphate solution.
Double Displacement Reaction example
A. Silver nitrate reaction sodium chloride
AgNO3(aq) + NaCl(aq) ——> AgCl(s) + NaNO3(aq)
Copper sulphate crystal is blue in colour. So it is also called “Blue Vitriol” (Hindi: नीला थोथा). It is used in refining industries and agriculture. When it is dissolved in water it forms blue solution.
Iron metal reacts with copper sulphate and displaces copper.