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Hello, we are currently in a chemistry laboratory.
To teach you more about waste disposal !
There are four types waste: halogen, no halogen, acid base and heavy metals waste.
First, there are halogen. This is solution with chemical species which are located in the column before the noble gaz.
Next, there are the no halogen solution which is the rest of the periodic classification except the halogen.
Now, we have the acid base solution which are two solutions throw together to adjust the pH.
The last is the heavy metals solution which is solution with a high density and they tend to be less reactive than lighter metals. They are dangerous for the environment.
We don't mix the different chemical products together because the elimination treatment is different for each type and it would be very expensive if we mix them together.
As we said for the heavy metals, which are dangerous for the environment, the pictogram for it is applicable to materials which cause harmful effects on organism in aquatic environment.
Also, there is a treatment for the glassware. For this, if we break a glassware, we have to put it here.
To conclude, in a chemistry laboratory it's essential to do a waste disposal to not affect the environment and also it's an economic question.
We hope that you understand why it's important, goodbye !
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