хим тех - 3

<question>  What is the name of the process of separation of fine impurities from water dispersed by air bubbles:

• aeration

• flotation

• drying

• regeneration

• coagulation

<question>  Suspension of the smallest droplets of one liquid in another:

• <variant>  drying

•  <variant> solvent

• <variant>  solution

•  <variant> the emulsion

• <variant>  suspension

<question>  Reactions in which the initial substance is not immediately converted into the final product: first, an intermediate substance is obtained from it, which is then converted into the final product, are called:

• drying

• catalytic processes

• parallel

• sequential

• endothermic

<question>  Method based on the boiling point difference of the components:

• <variant>  rectification

• <variant> drying

• <variant>adsorption                                                                                                                                                                                                                                                        

• <variant>  non-isothermal

• <variant> mixing

<question>  What is the name of the method of extracting dissolved organic substances from wastewater using a specially selected solvent:

• <variant>  ion exchange

• <variant>  rectification

• <variant>  non-isothermal

• <variant> extraction

• <variant>  coagulation

<question>  What is the name of the method of extracting dissolved organic substances from wastewater using a specially selected solvent:

• <variant>  ion exchange

• <variant>  rectification

• <variant>  non-isothermal

• <variant> extraction

• <variant>  coagulation

<question>  When the temperature decreases, the reaction rate:

• decreases

• first increases, then decreases

• increases

•  remains unchanged

•  non-isothermal

<question> The property of water due to the presence of organic substances in it is:

• <variant>  rigidity

• <variant>  oxidizability

• <variant> acidity

• <variant>  non-isothermal

• <variant> transparency

<question>  Letter designation of the concentration parameter:

• D

• C

• P

• T

• A

<question>  The technological parameter is:

• <variant>  reactions in which several transformations occur with the same starting substances to form different products

• <variant>  the process of restoring the activity of the catalyst

• <variant> the value that characterizes the device or its mode of operation

• <variant>  transfer of the reacted substances to their original state for reuse

• <variant>  non-isothermal