Flashcards
Acids, alkalis and neutralisation
Flashcards do conjunto (20)
- 1What is the pH of an acid, alkali and at neutral~ Acid is less than 7
~ Alkali is more than 7
~ Neutral is 7 - 2Non-metal oxides dissolve in water to produce......acidic sloutions
- 3Metal oxides dissolve in water to produce...)
- 4A very small proportion of water molecules dissociate into an...... equal number of hydrogen and hydroxide ions
- 5What does ammonia produce when dissolved in water?~A alkali
- 6The effect of dilution of an acid or alkail with water is related to...... the concentrations of the hydrogen and hydroxide ions
- 7What is neutralisation?~ Neutralisation is the reaction of acids and bases
~ The pH moves towards 7 - 8What are three examples of bases?~Metal oxides
~Metal hydroxides
~Metal carbonates - 9What are always formed in neutralisation rection?~A salt and water
- 10What is formed in neutralisation with a metal carbonate?~ A salt, water and carbon dioxide
- 11The name of a salt can be detremined from......the name of the acid and base
- 12What can be formed by percipitaion recations?~Insoluble salts
- 13What can the concentration of acids and alkalis be calculated from ?~ Whe results of volumetric titrations
- 14What is used to show the end point of a recation?~ An indicator
- 15What is a titration?~A titration is a analytical technique used to determine the accurate volumes involved in a chemical reaction
~e.g. neutralisation - 16What is pH the measure of?~The pH is a measure of the hydrogen ion concentration
- 17What does a neutral solution have an equal concentration of?~Hydrogen and hydroxide ions
- 18A solution with a greater concentration of hydrogen ions is a ...... acid
- 19A solution with a greater concentration of hydroxide ions is a ......alkali
- 20For the neutralisation reactiona of acids with alkalis or metal carbonates, the reacting species is determined by......omission of spectator ions
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- national 5 Chemistry FlashCards sobre Sem título, criado por Leigha 03 em 18-01-2017.
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- Leigha 03
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