Q67
General ScienceChemistry
One of the following liquids will leave behind a residue on heating. This one is
- a.Brine
- b.Bromine
- c.Mercury
- d.Alcohol
Answer: (A) Brine
Brine is a solution of common salt in water, so evaporating it leaves solid salt behind. Bromine, mercury and alcohol are pure liquids that simply vaporise completely.