0
Why must KClO3-MnO2 mixture be kept away from the rubber stopper?
Wiki User
∙ 10y ago
KCIO3-MNO2 cannot comes in contact with the rubber stopper otherwise, or a severe explosion may result.
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
What is a substance composed of two or more elements of compounds that are blended together but not chemically combined?
A mixture consists of substances that are physically blended but not chemically combined.
How you can remove color stain from rubber shoe?
just throw that shoe away in flush and buy new from footpath.
How do you separate ground pepper and water?
Either through filtration or you could evaporate the water away from the mixture to leave the pepper.
What does distilling mean in science?
Distillation in science is a method of separating components of a mixture through their different boiling points. Its not a chemical reaction. As the different parts of the mixture are heated to certain temperatures, they separate away through vapourisation. The vapour can then be condensed, or cooled away from the original mixture and collect back as a pure liquid.
How do you separate sand and chalk from a mixture?
You can add water to this mixture, which will dissolve the salt but not the chalk. Decant the water, then boil it away, and you will be left with salt.Salt is much more soluble in water than chalk is.
Why must KClO3-MnO2 mixture be kept away from rubber stopper?
KCIO3-MNO2 cannot comes in contact with the rubber stopper otherwise, or a severe explosion may result.
What are the safety precautions and techniques when inserting a glass tubing in a rubber stopper?
never attempt to insert glass tubing that has a jagged end, all glass tubing should be fire polished before its inserted into a rubber stopper. Use water or glycerin as a lubricant at the end of the glass tubing before inserting it into the rubber stopper. ask teacher for proper lubricant. Protect hands and fingers by wearing leather gloves or placing a folded cloth between your hands and the tubing. hold it as close as possible to the part it is inserted to the rubber stopper. always point the tubing away from the palm of your hand that holds the stopper. use a twisting motion and push the tubing into the stopper. At the end of the experiment put on leather gloves or place the folded cloth between your hands and the tubing and remover the stoppers from the tubing to keep them from sticking to the glass. if it wont budge, use lubricant.
How do you remove a drain stopper from a sink?
If there aren't any dangerous chemicals in the water, stick your hand in, and pull it out. Then wash your hand. If there are dangerous chemicals, then put on a rubber glove, stick your hand in, and pull it out. Then throw the glove away.
When can you say that a mixture is a solution?
when one mixture seems to melt away in a solution, we say it is what
What makes rubber such a bad conductor for electricity?
'Cause the conduction band of rubber are far away from each other.
What happens to the rubber pipe in the basement?
biff takes it away
How do you keep pigeons away?
There are different ways in which you can keep pigeons away. Some methods include a sound deterrent and a decoy.
How do you treat a mark cause by a rubber band?
it will go away................................................................ eventually
What is the term that means to take something away from a mixture?
Titration
Is it normal to worship rubber ducks?
Of course Not too many people worship rubber ducks, but there are stranger thing people do worship and they get away with it.
How do you stop a rubber dress from riding up?
first, smear yourself in vasilene. then put on your rubber dress finally dance the night away
How does a rubber rub out?
The rubber rubs a fibe into the led and burns it so hard it burn s away that's why sometimes it leaves smudges
