-
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 .
Translated by
Downloadable resource (12)Teacher -
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 …
Translated by
Downloadable resource (13)Organisation, company, NPO -
Inorganic dust classes: Classification
Exercise where the pupils learn independently to classify the inorganic substances into substance or connection classes.
Translated by
Downloadable resource (3)Teacher -
Precipitation Reactions: Exercise
Exercise on application material essential ion reactions and precipitation reactions.
Translated by
Downloadable resource (7)Teacher -
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.
Translated by
Downloadable resource (11)Teacher -
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 …
Translated by
Downloadable resourceTeacher -
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 …
Translated by
Downloadable resource (3)Teacher -
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.
Translated by
Downloadable resource (3)Teacher -
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.
Translated by
Downloadable resourceTeacher -
Softening of water: Practicum
In this exercise, it is intended to:
- to determine the hardness of tap water;
- treat tap water softener resin.
The worksheets for this lab are structured according to:
- purpose of the lab;
- necessities;
- experiment;
- ask.
Translated by
Downloadable resourceTeacher -
Identification Comments: Practicum
In this exercise, the aim is to:
- single substances and organic compounds to detect using indicators;
- to verify that the solvent used is aqueous or not.
The worksheets for this lab are structured:
- purpose of the practicum;
- overview of the …
Translated by
Downloadable resourceTeacher -
Addition and redox reaction: Practicum
In this exercise you perform addition and oxidation reactions in polar and non-polar circles and then you list the characteristics of these reactions through guided questions.
The worksheets for this lab are structured according to:
- purpose of the …
Translated by
Downloadable resourceTeacher