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rowdycar313p0ao5k
07.03.2021 •
Chemistry
Identify and explain the process shown below. Name any two products obtained during this process and state their uses.
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Ответ:
This is heating limestone
Explanation:
Process:
limestone is heated strongly. After a while, the limestone begins to go cloudy. Test tube is heated too much that it is beginning to soften it. After removing limewater, test tube cools down, the pressure in the test tube drops and air pressure pushes the cold the liquid into the hot test tube with terrible result.
Products:
Limestone is also known as calcium carbonate and Limewater
Click on the link provided to show the video
https://youtu.be/RLL5rT_DeKc
or search heating calcium carbonate
you will find a video
Ответ:
The answer is nitrogen dioxide
Explanation:
The term "photochemical smog" refers to a mist formed by a mixture of pollutants (NOx and volatile hydrocarbons) with others such as ozone, peroxyacyl, hydroxyl radicals, etc., which are formed by the reactions that occur with the light of the sun to affect the NO. This mixture dyes the atmosphere of a reddish brown color, full of very dangerous components for living beings.