Is boiling a reversible change?

Boiling a solution can change the dissolved drug molecules from a soluble to a soluble form. When boiling a solution, the aqueous phase (water) becomes more liquid and the drug molecules become more dispersed. The solution then becomes more solid when cooled. What are some examples of very fast changes? Some examples of very fast ... Read more...

What is a Lichtenberg device?

A Lichtenberg device is a type of device used in the medical field to measure blood pressure. Lichtenberg devices are usually made out of metal and are used to measure blood pressure in the arm and hand. What is the difference between a wood stove and a wood burning fireplace? The main difference between a ... Read more...

What does M exp candy do in Pixelmon?

M exp candy does not do anything in Pixelmon. What are the rare candy colors in Minecraft Pixelmon? There are a few rare candy colors in Minecraft Pixelmon. The colors are usually red, green, and blue, but there are a few exceptions. The colors can vary depending on how the candy was made, but they ... Read more...

Is teached past tense of teach?

Teaching is a verb meaning to give instruction in a subject. That is, someone who teaches is someone who provides instruction in a subject. In most cases, the past tense of "teach" is "teached." How do you explain past and present tense? It can depend on the person asking the question and their own knowledge ... Read more...

Can black fire exist?

There is no black fire, or any other kind of fire that exists. All fires are made of wood, gasoline, and oxygen. Is white fire real? There is no scientific evidence to support the existence of white fire. Some researchers believe that white fire may be a product of Combustion Chamber Technology (CCT), while others ... Read more...