Acids
Acids contain positively charged ______ ions.
Hydrogen ions or H+ ions
Bases contain negatively charged _______ ions when dissolved in water.
Hydroxide ions or OH- ions?
A solution in which the molecules break apart into H+ ions
What is a strong acid?
The ______ of an acid or base depends on the percentage of its particles that break apart to form ions in solution.
Strength
Magnesium chloride
What is the name of the salt produced when magnesium oxide reacts with hydrochloric acid?
Physical properties of acids include: conducts electrical current and __________.
Tastes sour
Bleach
What is a common household base?
Solutions where only a few molecules break apart into H+ ions
What are weak acids?
The concentration of H+ ions decreases
What happens to the concentration of H+ ions when diluting an acid?
Complete this word equation sulfuric acid + lithium hydroxide --->
lithium sulfate + water
When dissolved in water these compounds make acids
Non-metal oxides?
Bases turn pH paper this colour...
Blue
pH 1
Suggest the pH of a strong acid
What are indicators used for?
sodium chloride + water + carbon dioxide
What products form when sodium carbonate reacts with hydrochloric acid?
The chemical property of acids eats away and destroys things.
What does corrosive mean?
A substance that reacts with an acid and neutralises it
What is a base?
pH 5
Suggest the pH of a weak acid
Salt + water
What are the products that are formed when an acid reacts with a metal oxide?
An experiment that is used to calculate the concentration of an unknown substance in a sample
What is a titration?
Acids turns pH paper this colour...
Red
Why should you never touch a strong base?
It could be corrosive
Vinegar and citric acid.
What are examples of weak acids?
salt + water + carbon dioxide
What products are formed when an acid reacts with a metal carbonate?
The technique used to collect soluble salts from solution
What is evaporation?