acids and alkalis

HideShow resource information
  • Created by: Abi14
  • Created on: 02-04-14 18:52
what pH value is pure water?
pH value 7
1 of 6
what are acids?
acids are substances that produce hydrogen ions, H+(aq), when they are added to water.
2 of 6
what solution is produced when we add a substance to water?
an aqueous solution. the state symbol is (aq) shows that the ions are in aqueous solution.
3 of 6
what do hydrogen ions do?
make a solution acidic and they have a pH value of less than 7.
4 of 6
what are alkalis?
are bases that dissolve in water to make alkaline solutions. alkalis produce hydroxide ions, OH-(aq, in the solution. alkaline solutions have pH values greater than 7
5 of 6
what are Bases?
bases react with acids and neutralise them.
6 of 6

Other cards in this set

Card 2

Front

what are acids?

Back

acids are substances that produce hydrogen ions, H+(aq), when they are added to water.

Card 3

Front

what solution is produced when we add a substance to water?

Back

Preview of the front of card 3

Card 4

Front

what do hydrogen ions do?

Back

Preview of the front of card 4

Card 5

Front

what are alkalis?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Acids, bases and salts resources »