Chemistry
Which substance gives lemons its sour taste?
Acid
When a metal reacts with acid what gas forms as a product?
Hydrogen
What colour does blue litmus paper turn in an acid?
red
What colour does red litmus paper turn in a base?
blue
What does pH stand for?
-log hydrogen ion concentration
7
What ion do bases release in water?
OH- ions
If a solution has a pH of 11, is it acidic or basic?
Which has greater H+ ions concentration ? pH 1 or pH 7?
pH 1
An acid will form what from a metal carbonate?
salt, water and carbon dioxide
Carbon dioxide will form from acid and a metal C_______e???
Carbonate
Which is more basic? pH 7 or pH 14?
pH 14.
What is the name of the acid in car batteries? (clue: __SO4)
sulfuric acid H2SO4
Complete the word equation: Acid + Base → ______ + ______
salt + water
the pH of water is 7. What is the term given to it? clue: Ne_____
Neutral
A reaction is called neutralisation? what reactants do we have? A___ and ___e
Name one strong acid from the PPT.
Hydrochloric Acid
Sulfuric acid
Nitric Acid
What does a base accept from an acid?
H+ ion
What gas and liquid are produced when an acid reacts with a carbonate?
carbon dioxide and water.
A solution has [H⁺] = 0.01 M. What is its pH?
w = pH