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Jun03

Solving Of Experimental Problems (Subject “Metals”)

Ali Uysal Experiments

Aim: to use (apply) obtained knowledge about properties of metals and their compounds for conducting experiments and explaining their results 

Equipment: holder with tubes, eye-droppers (pipettes); heating device and glass tube (only for II variant). 

Reagents:
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Jun03

Obtaining Of Iron Hydroxides And Reaction Of Them With Acids

Ali Uysal Experiments

Aim: to study methods of obtaining of non-soluble bases in laboratory on the example of iron hydroxides (II) and (III); to study their ability to react with acids

Equipment: holder with tubes, eye-dropper (pipette)

Reagents: solutions of iron sulfates or chlorides (II) and (III), solutions of alkali (sodium or potassium hydroxide) and acid (diluted hydrochloric or sulphuric acid).
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Jun03

Obtaining Of Aluminium Hydroxide And Proof That It Is Amphoteric

Ali Uysal Experiments

Aim: to get acquainted with laboratory method of obtaining of aluminium hydroxide and to study properties of it as amphoteric substance

Equipment: holder with tubes, glass stick

Reagents: solutions of aluminium chloride, sodium (potassium) hydroxide, hydrochloric (sulphuric) acid.
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Jun03

Reaction Between Metals And Acid Solutions

Ali Uysal Experiments

Aim: to study properties of metals on the example of reaction between metals and acids.

Equipment: holder with tubes

Reagents: diluted solution of sulphuric (hydrochloric) acid, granules or pieces of zinc, copper, iron.
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Jun03

Comparison Of Chemical Activity Of Metals

Ali Uysal Experiments

Aim: to learn how to compare chemical activity of metals, according to displacement reactions ( where one metals are displaces from salts with (by) another metals).

Equipment: holder with tubes

Reagents: solutions of salts of iron (III), zinc, copper (II); granules of zinc, copper plate or wire, iron nails.
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Jun03

Reactions Of Ionic Exchange Between Solutions Of Electrolytes

Ali Uysal Experiments

Aim: to determine mechanism of exchange reaction between solutions of electrolytes; to generalize knowledge about dissociation processes of electrolytes; to improve skills of writing equations of reactions in molecular, full and reduced ionic forms.

Equipment: holder with tubes

Reagents:
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