What is a rock salt ?

(i) Identify the acid and the base whose combination forms the common salt that you use in your food. Write its formula and chemical name of this salt. Name the source from where it is obtained. (ii) What is rock salt? Mention its colour and the reason due to which it has this colour. (iii) What happens when electricity is passed through brine? Write the chemical equation for it.

Co-ordination number of cations in rock salt structure of NaCl is :

What is the coordination of each of ions in a rock salt type crystlal structure.

Identify the acid and the base from which sodium chloride is obtained. Which type of salt is it? When is it called rock salt? How is rock salt formed?

Identify the acid and the base from which sodium chloride is obtained. Which type of salt is it? When is it called rock salt? How is rock salt formed?

With respect to air, the refractive index of ice is 1*31 and that of rock salt is 1*54 . Calcualte the refractive index of rock salt w.r.t ice.

What is the C0ordination number of each type of ions in a rock salt type crystal strúcture?