Applications of Acids and Bases (Grade 12 NSC Matric Physical Sciences): Flashcards
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3 products of brine electrolysis
3 products of brine electrolysis
Chlorine gas, hydrogen gas, sodium hydroxide
Solution used in chlorine-alkali electrolysis
Solution used in chlorine-alkali electrolysis
Brine (concentrated sodium chloride solution)
Product when reacts with below 60°C
Product when reacts with below 60°C
Sodium hypochlorite ()
Main protein in hair structure
Main protein in hair structure
Keratin
Substances acting as both acids and bases
Substances acting as both acids and bases
Amphoteric substances
Bonds giving hair strength and shape
Bonds giving hair strength and shape
Disulfide bonds ( linkages)
Natural pH range of hair
Natural pH range of hair
4-5 (slightly acidic)
Role of ammonium thioglycolate in perms
Role of ammonium thioglycolate in perms
Reducing agent that breaks disulfide bonds
pH range of lye hair relaxers
pH range of lye hair relaxers
12-14 (very strongly alkaline)
pH range of permanent hair dyes
pH range of permanent hair dyes
9-11 (basic/alkaline)