Chem Quiz 5 Flashcards
pH lower than 7
acid
pH greater than 7
base
Turns litmus red and phenolphthalien colourless.
acid
Turns litmus blue and phenolphthalien pink.
base
electrolyte
acid and base
what is an electrolyte?
A substance that conducts electricity when dissolved ions in solution.
Reacts with metals to form hydrogen gas and a salt.
acid
Doesn’t react with non-metals.
Base
Reacts together to form water and a salt.
acids and bases
What happens in a neutralization reaction when the base contains carbonate, bicarbonate.
carbon dioxide is also produced.
sour taste
acid
bitter taste
base
WHAT SHOULD YOU NEVER DO IN A CHEM LAB?
TASTE THE SUBSTANCE!!!!!!!!!!
List the properties of acids.
pH lower than 7, turns litmus red, turns phenophthalien colourless, electrolyt, reacts with metals to form Hydrogen and a salt, reacts with bases to form water and a salt, tastes sour.
List the properties of bases.
pH greater than7, turns litmus blue, turns phenophthalien pink, electrolyte, don’t usually react with non-metals, reacts with acids to form water and salt, tastes bitter.