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Material model: Extra exercises
You will receive a page of extra exercises with solutions as a supplement to theme Material Model from the manual WEZO 3 .
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Inorganic Chemistry: Reaction Types
The first paper discusses the basic reaction types in inorganic chemistry. It contains a general scheme for reactions between substances from the different substance classes. There is a series of exercises to practice this general reaction …
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Monofunctional organic dust classes: Classification
Let your students recognize and classify the monofunctional organic matter classes themselves on the basis of the determination table.
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Inorganic dust classes: Classification
Exercise where the pupils learn independently to classify the inorganic substances into substance or connection classes.
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Precipitation Reactions: Exercise
Exercise on application material essential ion reactions and precipitation reactions.
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How pure is our water?: Practicum
This elaborated practical challenges pupils in order on the basis of the OVUR method to examine the purity of water.
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Titrations: Practicum
In this exercise you perform titrations of:
- sodium hydroxide, with sulfuric acid;
- hydrochloric acid with sodium hydroxide;
- sodium carbonate with hydrochloric acid.
The worksheets for this lab are structured according to:
- necessities;
- …
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Experiment SK020 reaction: Practicum
In this exercise you study the effect on the reaction rate by changing the concentration of one of the reagents.
The worksheets for this lab are structured according to:
- necessities;
- purpose;
- theory;
- safety;
- method;
- study of the measurement …
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Change in conductivity of the solution by titration: Practicum
In this exercise you are trying to gain insight into:
- the gradient of changes in conductivity, upon addition of a strong base with a strong acid;
- performing measurements with sensors;
- the graphic course of measurements.
The worksheets for this …
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Acid hydrolysis of starch: Practicum
In this exercise, it is intended to:
- starch detect a lugoloplossing;
- glucose to detect with Fehling's solution.
The worksheets for this lab are structured according to:
- purpose of the lab;
- necessities;
- experiment;
- explanation of the …
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Saccharides: Practicum
In this exercise you go through the Fehlingstest the reducing properties after sugar solutions.
The worksheets for this lab are structured according to:
- purpose of the lab;
- necessities;
- experiment;
- observations.
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Chromatography: Practical
In this exercise, the aim is to increase the solubility after going out of polar and non-polar dyes in some solvents.
The worksheets for this lab are structured:
- purpose of the practicum;
- knowledge;
- supplies;
- method;
- task.
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