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Why are bottles of chemicals kept tightly closed except when a quantity of chemical is being removed?
Wiki User
∙ 11y ago
They are kept tightly closed so there is less chance of contamination and if the bottle gets knocked over, its contents will not spill.
Wiki User
∙ 11y ago
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Why are bottle of chemicals kept tightly closed except when a quantity of chemical is being removed?
Some chemicals react with the air, or are volatile and would escape. Others might be dangerous if the bottle falls over and the chemical spills out.
Is developing film a chemical or physical change?
chemical change :-)
What is the Gooey liquid of chemical impurities removed from water?
I like pie it is good
Salts and other chemicals are removed from the skin by?
Sweat is the watery chemocal that has osobed soap and washes of your body if you have ran for a while.
What Is The Refining Process?
The refining process is the chemical process by which impurities are removed from precious metal. The chemical process involves dissolving the target metal and then precipitating it back out.
Why are bottle of chemicals kept tightly closed except when a quantity of chemical is being removed?
Some chemicals react with the air, or are volatile and would escape. Others might be dangerous if the bottle falls over and the chemical spills out.
What kind of chemical to clear oil contaminants?
That will vary depending on the type of contaminate. Some contaminates cannot be removed with chemicals (e.g. metal particles - these need to be removed with a filter).
What can be used to clean perm out of hair?
Perms are chemical. A perm can not be cleaned out of the hair. A perm can only be removed by other chemicals, or time will wear a perm out. If you choose to remove your perm with chemical perm remover, you take a big risk of the added chemicals doing damage to your hair and scalp.
Is developing film a chemical or physical change?
chemical change :-)
Can water be changed back to clear after adding food coloring?
bleach water or whatever effects the plants because there are certain chemicals that can kill plants very easily and the chemicals that re in bleach is one of them.
What chemical reaction takes place in large intestine?
some of the water and electrolytes (chemicals like sodium) are removed from the food. microbes help in the digestion process,like ecoli
Is there a chemical that can absorb light and then in the absence of light discharge that light?
There is no chemical that will absorb light and ONLY discharge it in the absense of light, however there are chemicals that will absorb light, store it as heat, and discharge it as light slowly, so that if light is removed it will continue to glow.
What happens if all chemicals where removed from tomato sauce?
It wouldn't taste nice
What steps should a person take after suffering a chemical burn to the eyes?
hen the eyes have been exposed to chemicals, they must be washed out for 15 minutes with clear water. Contact lenses may be removed only after rinsing the eyes.
Is salt being removed from water a chemical change?
No, it is not.
What is the chemical reaction called where water is removed during the reaction?
This chemical reaction is called dehydration.
How does stain remover relate to science?
There are two ways to do things: using chemicals or putting pressure on them using a tool of some sort. A stain can be removed by scrubbing it and/or by letting a chemical act on the stain to dissolve it. If you use a chemical (or wash it), that is chemistry; if you scrub it, cut out the bad piece, etc. that is another sort of science.
