The charcoal and sulfur in black powder are insoluble in water, and so when the solution of water is allowed to evaporate, potassium nitrate will be left in the jar.
(The charcoal and sulfur in black powder; are; insoluble; L:in water) (the solution of water; is allowed; ) (the solution of water; to evaporate; ) (potassium nitrate; will be left; L:in the jar; T:when the solution of water is allowed to evaporate)
The charcoal and sulfur in black powder the solution of water the solution of water potassium nitrate
are is allowed to evaporate will be left
insoluble L:in water
L:in the jar T:when the solution of water is allowed to evaporate