Test
Water hardness Quiz
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (7)
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
Información
- Descripción
- El usuario ha eliminado su información de asignaturas Test sobre Water hardness Quiz, creado por Usuario eliminado el 18/07/2017.
- Autor
- Usuario eliminado
- Idioma
- English
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