Test
Electrolysis Quiz for AQA Comb
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (8)
1The cathode is
- AThe positively charged ion
- BThe positively charged electrode
- CThe negatively charged electrode
- DThe negatively charged ion
2Oxidation is
- AGain of electrons
- BLoss of oxygen
- CLoss of electrons
- DGain of oxygen
3Label this diagram of electrolysis
- ABattery
- BAnode
- CCathode
- DElectrolyte
4Wash electrodes in [blank_start]distilled water[blank_end] and then dip them in [blank_start]propanone[blank_end] before use.
- Adistilled water
- Bpropanone
5Very reactive metallic elements are extracted from ores by [blank_start]electrolysis[blank_end].
- Aelectrolysis
6Fill in the blanks in the following sentences which refer to the electrolysis of copper (II) chloride.
[blank_start]Copper[blank_end] ions are attracted to the cathode, where they [blank_start]gain[blank_end] electrons to form copper atoms
The [blank_start]salmon pink[blank_end] discolouration seen at the cathode is a thin layer of copper [blank_start]metal[blank_end]- ACopper
- Bgain
- Csalmon pink
- Dmetal
7Fill in the blanks in the following sentences which refer to the electrolysis of an ionic compound.
Lead bromide has a [blank_start]high[blank_end] melting point and so must be heated in a [blank_start]crucible[blank_end] so that it will melt.
Zinc ions are changed into zinc atoms as they [blank_start]gain[blank_end] electrons.
Bromide ions are changed into bromine [blank_start]gas[blank_end] as they give up electrons to the [blank_start]anode[blank_end].- Ahigh
- Bcrucible
- Cgain
- Dgas
- Eanode
8[blank_start]Electrolysis:[blank_end] Chemical decomposition produced by passing an electric current through a liquid or solution containing ions.
[blank_start]Electrolyte:[blank_end] An ionic substance with freely moving ions.
[blank_start]Cation:[blank_end] A positively charged ion
[blank_start]Anion[blank_end]: A negatively charged ion- AElectrolysis
- BElectrolyte
- CCation
- DAnion
Información
- Descripción
- El usuario ha eliminado su información de asignaturas Test sobre Electrolysis Quiz for AQA Comb, creado por Usuario eliminado el 13/07/2017.
- Autor
- Usuario eliminado
- Idioma
- English
- Visitas
- 15
- Historial
- Creado el 13 jul 2017 · actualizado el 28 ago 2017
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