Pure water does not contain fluoride, but much drinking water does contain fluoride that is deliberately added to reduce tooth decay of children who drink the water. Some drinking water supplies also contain fluoride naturally.
No. Salt is too heavy to evaporate. Even though some rain water is evaporated from the ocean it does not contain salt. No. When the water evaporates, it leaves the salt behind.
Yep
Oxygen is an element which exists as a diatomic gas at room temperature. Water is a compound of oxygen and hydrogen at two parts to one. Water may also contain dissolved oxygen. The atmosphere contains about 20% oxygen, and may also contain water vapour. Short answer: no, oxygen does not contain water.
Spring water will contain minerals.
Hard water contain calcium bicarbonate, magnesium bicarbonate in temporary hard water and calcium/magnesium sulfate in permanent hard water. Soft water contain doesn't contain these substances or only in very limited concentations.
Hard water contain calcium and magenesium carbonates.
No; hard water contain carbonates and sulfates of calcium and magnesium.
Hard water contain sulfates of calcium and magnesium, sometimes chlorides.Soft water contain calcium and magnesium bicarbonates.
synthetic detergent contain hydrophobic and hydrophilic substance.the head(hydrophilic) contain sodium zedite.it can react with the ion in hard water and will become more effective.they can contact together. example of hard water is sea water,it contain ion such as calcium and magnesium.these ions will react with sodium zedite and make synthetic detergent is more effective cleanser in hard water.
No, hard water contains a lot more vitamin C than soft water.
No, but since carbon dioxide is everywhere in the air around us it is very hard to obtain pure water.
Yes it is Its hard on the bladder and kidneys after a while. You may receive kidney stones if you are a addict. It also may contain fructose which creates cancer. Not all of them contain it but some of them do.
sexy
Because gas particle are all sperated unlike liquid and solid so they are hard to contain. hard to contain because they are not close to each other they all seperate
does hard cider contain purines
Calcium makes them hard.