This depends on the zone: sometimes the groundwater is polluted or the rain water is acidic and contain particles collected from the atmosphere.
That depends where you live. Acidic rainwater is not always better than groundwater.
groundwater has more freshwater than rivers and lakes
Yes, because its more complex to clean up groundwater than surface water.
No groundwater have freshwater than lakes and rivers
The rainwater is more acidic after passing through polluted air.
More dissolved solids accumulated in deep ground water and perciatation makes shallow ground more acidic.
No more than rainwater does. In other words, no, not really.
Groundwater
Sulfuric acid
The water table.
Yes. Such a pure substance with more than one type of atom is called a chemical compound.
no it is not a pure substance because it has more than on product in it read the ingredients