Question

2 Uses of barium chloride

Answer 1

can be used to test law of conservation of mass..,
indicator for covalent compounds

Answer 2

Hi there,
So u needed 2 uses of barium chloride.

It is mainly used in laboratory and industry. In industry barium chloride is used in the purification of brine solution in caustic chlorine plants.

Also, in the manufacture of heat treatment salts, causing hardening of steel..

Key words(meanings of bold letter words above)
Brine solution - Highly consecrated salt water solution..
Heat treatment salts - salts used for treating, cleaning etc many chemical and industrial substances..   

Hope this helps you...
Thank you..