Test
Water and Ozone Quiz
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (10)
1Permanent hard water: Contains [blank_start]chlorides[blank_end] and/or [blank_start]sulfates[blank_end] of calcium and magnesium
- Achlorides
- Bsulfates
2Soft water easily forms a lather with soap.
- AVerdadero
- BFalso
3Hard water is preferred in which industry?
- ABeer
- BDyes
- CDry cleaning (Clothes washing)
4Hard water is a good source of which of the following
- ASodium
- BCalcium
- CMagnesium
- DZinc
5Boiling removes permanent hardness.
- AVerdadero
- BFalso
6Which of the following builds up in a kettle due to hard water?
- ALimescale
- BLimestone
- CQuick lime
7Temporary hard water: Contains calcium and or magnesium [blank_start]hydrogencarbonate[blank_end]. Temporary hardness can be removed by [blank_start]boiling[blank_end]
- Ahydrogencarbonate
- Bboiling
8Chlorofluorcarbons are compounds that contain
- AChlorine
- BFluorine
- CCarbon
- DOxygen
- EHydrogen
9CFC's have a high boiling point.
- AVerdadero
- BFalso
10The ozone layer is the part of the [blank_start]stratosphere[blank_end] where ozone is found in the highest concentrations. It absorbs [blank_start]ultraviolet[blank_end] radiation, preventing most of it from reaching the ground.
- Astratosphere
- Bultraviolet
Información
- Descripción
- El usuario ha eliminado su información de asignaturas Test sobre Water and Ozone Quiz, creado por Usuario eliminado el 31/07/2017.
- Autor
- Usuario eliminado
- Idioma
- English
- Visitas
- 8
- Historial
- Creado el 31 jul 2017 · actualizado el 31 jul 2017
- Etiquetas
- Valoración
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