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Mr. Jon Kimbell Sy asked:


We need a gadget that will check what the acidity is of a chemical solution we plan to use for production

Source: Yahoo Answers

Hrodulf asked:


If some solids, like ice, is heated, it becomes a liquid. If that is heated, it turns to a gas. Under my understanding, if a gas is exposed to very high temperatures (1000 degrees celcius), it turns to plasma. What happens to the plasma? Is there a fifth state of matter or does it just return to a gas form after cooling down? I’m not very familiar with plasma, only that it can be seen when lightning strikes and during the aurora. Are there any other places on earth where plasma can form naturally?
Also, have we ever come close to designing a plasma rifle like in some shoot-em-up games? How would that work?

Source: Yahoo Answers

heelloooo there asked:


I am aware that the formed elements of blood are Red Blood Cells, White Blood Cells, and Platelets. However I thought that this is only outside the blood plasma. My book says that when formed elements are removed from blood, blood plasma is left. So then doens’t this mean there aren′t any formed elements in blood plasma? Or is it the plasma proteins and/or other solutes that make up blood plasma?

Source: Yahoo Answers