Iodine sublimation
Air is a mixture of gases, and when it is polluted, it also contains substances that are harmful to us. Most of the solid substances in nature turn into…
- Belgrade, Air pollution and protection
- 27/11/2020
Pollution and air protection, Belgrade 2020
Air pollution is one of the most serious threats to the health of modern man. Every day we witness an increasing degree of pollution in cities throughout Serbia. The problems caused by polluted air are numerous, and if we want to protect the air and our own health, we must first of all understand how these pollutions are created.
Museum of Science and Technology and Faculty of Chemistry in Belgrade, they have prepared a series of experiments that will help us understand how substances that pollute the air are formed, what causes greenhouse effects and acid rain.
It is important that we know because the air is becoming increasingly dangerous to breathe!
Application of sublimation
Sublimation, i.e. the transition of a solid substance directly into a gaseous state with heating, can be used to separate components from a mixture. If we have a mixture of two solid substances,…
- Belgrade, Air pollution and protection
- 27/11/2020
Who evaporates faster?
As the atmosphere is a mixture of different gases, it is very important to know how they behave - especially if we want to monitor how many polluting substances there are...
- Belgrade, Air pollution and protection
- 27/11/2020
A highly polluting gas
In the air there is mostly nitrogen, molecular formula N2. It is an inert gas that does not harm us. But, near incinerators or in locations where…
- Belgrade, Pollution and air protection
- 27/11/2020
Gas to blame for global warming
Carbon dioxide (CO2) and water (H2O) are obtained by burning organic compounds. By increasing the consumption of fossil fuels, we release much more CO2 into the atmosphere than nature can...
- Belgrade, Air pollution and protection
- 27/11/2020
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