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Because acetone is an alcohol and alcohol evaporates fast.
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Why acetone should not left uncovered?
ikirr
Explains why acetone should not be left uncovered?
Because it is highly flammable. it is poisonous and can make a person breathing the fumes very sick, and because it will evaporate if you do and you will have to buy more of it.
Is acetone a suitable glue for ABS?
yes you can make glue out of pieces abs and acetone left in a jar overnight
Is it safe to fully cover dug wells or should they be left open and uncovered at the top?
An uncovered will will eventually become polluted with dead animals and insects that fall into it. It is also dangerous to humans and domestic animals. Cover it.
What will happen if sulphuric acid left uncovered in the air?
Nothing will happen unless it evaporates. If left uncovered at 100C Sulfuric acid will dehydrate to form Sulfur trioxide and water.
Is it ok to eat egg mayonnaise the day after it has been cooked?
Yes. It should be fine as long as it has not been left out in extreme temperatures, uncovered.
What kind of residue does acetone leave behind?
pure acetone drys leaving no residue. if something was dissolved in the acetone however, whatever was dissolved will be left as a residue.
What would happen if you left the model uncovered in the sunlight?
it will burn
Should you put acetone on quartz countertops?
no
Safety precautions of acetone?
Acetone is very flammable and should be kept in a cool place. If it is spilled on skin or eyes, it should be washed off immediately.
Why should you not eat uncovered food?
it is not healthy
Why should acetylene tanks never be used while laying on there sides?
They are not hollow- they are filled with a spongy material that is saturated with liquid acetone. When the acetylene is pumped into the tank, it dissolves in the acetone, much like CO2 dissolving in a bottle of soda. If the tanks are laid on their sides, the acetone will be forced out into the hoses and torch. You will get a strange flame with a lot of excess carbon. Tanks that have been laid down should be stood up, and left in that position for at least an hour so that the acetone moves back towards the bottom of the spongy material.
