Juzi

Juzi

University

87 Qs

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Juzi

Juzi

Assessment

Quiz

Science

University

Practice Problem

Hard

Created by

Жулдыз Бисенгалиева

Used 1+ times

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87 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

> The property of water due to the presence of soluble calcium and magnesium salts in it is:

rigidity

the total salinity

oxidizability

 non-isothermal

acidity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The coalescence of particles of a colloidal system in a collision in the process of thermal motion is called:

flotation

 non-isothermal

coagulation

aeration

regeneration

 

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the process in which the catalyst is used to slow down the reaction

heterogeneous catalysis

 non-isothermal

negative catalysis

homogeneous catalysis

positive catalysis

 

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The transfer of reacted substances to their original state for reuse is called:

regeneration

the integrated use of

enrichment

aeration

 

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For cleaning of suspended particles with a diameter of more than 1 mm, use:

coagulation method

defending

non-isothermal

aeration

 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The technological parameter is

transfer of the reacted substances to their original state for reuse

the process of restoring the activity of the catalyst

the value that characterizes the device or its mode of operation

reactions in which several transformations occur with the same starting substances to form different products

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When cleaning from oil-containing products, use:

 non-isothermal

oil traps

Filters

septic tanks

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