How to prepare dry zinc sulphate salt by zinc nitrate solution, dilute sulphuric acid and sodium carbonate solution
-kindly conclude all of the chemicals
- provide chemical equation and procedures. a lot for your : )

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

idk what is it? is this a question that you know the answer or u dont

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".