Question

Which of the following mixture is known as fusion mixture?

(a) Sodium carbonate and potassium chloride

(b) Sodium carbonate and potassium carbonate

(c) Sodium bicarbonate and sodium carbonate

(d) Potassium bicarbonate and sodium carbonate

This question was posed to me by my college professor while I was bunking the class.

My question is taken from s-Block Elements topic in chapter s-Block Elements of Chemistry – Class 11

Answer 1

Right option is (b) Sodium carbonate and potassium carbonate

To explain: The mixture of sodium carbonate and potassium carbonate together is known as a fusion mixture. Only Potassium carbonate is as known as pearl ash. It is sometimes used in quantitative analysis.