1345497
Descripción
Mapa Mental por Chloe Yong, actualizado hace más de 1 año
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Creado por Chloe Yong
hace más de 9 años
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OCR GCSE
Chemistry C3
- Alkali
- Group 1 compound dissolves to have pH higher than 7. Make
indicators change colour (litmus turns BLUE in alkali, red in acid). Alkali
neutralises acid to make salt. NEUTRALISATION. Soluble metal
carbonates and soluble metal hydroxides.
- Group 1 compound dissolves to have pH higher than 7. Make
indicators change colour (litmus turns BLUE in alkali, red in acid). Alkali
neutralises acid to make salt. NEUTRALISATION. Soluble metal
carbonates and soluble metal hydroxides.
- Anode
- POSITIVE electrode in
Electrolysis.- with brine,
CHLORINE forms
- POSITIVE electrode in
Electrolysis.- with brine,
CHLORINE forms
- Bases
- INSOLUBLE metal hydroxides and metal carbonates.
React with acids in similar way that alkalis do, but DON'T
affect indicators.
- INSOLUBLE metal hydroxides and metal carbonates.
React with acids in similar way that alkalis do, but DON'T
affect indicators.
- Chlorine
- Benefits- Killed water-borne micro-organisms that
caused diseases like Cholera and typhoid.
CORRELATION between start of chlorination in USA
an fall in number of deaths.
- Risks-THM's can cause cancer.
Reacts with organic matter. It is a
toxic fas- causes health problems
such as asthama.
- Benefits- Killed water-borne micro-organisms that
caused diseases like Cholera and typhoid.
CORRELATION between start of chlorination in USA
an fall in number of deaths.
- Brine
- Concentrated sodium chloride
solution (salt water)
- Concentrated sodium chloride
solution (salt water)
- Cathode
- NEGATIVE electrode in
Electrolysis. with Brine
HYDROGEN forms
- NEGATIVE electrode in
Electrolysis. with Brine
HYDROGEN forms
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