Acids and bases
Acids change litmus paper this colour...
red
Bases turn litmus paper this color...
blue
Name an example of an acid.
hydrochloric acid, lemon juice, apple juice,etc
what is two or more substances mingled together called?
mixture
name the three states of matter?
solids, liquids and gases
Acids have a _______ taste
sour
Bases have a _________ taste.
chalky/ bitter
name an example of a base
toothpaste, soap, bleach
how could you separate sand and water
filtration
name an example of a solid
wood, plastic, glass
______ have a pH around 1-2.
strong acids
which paper tells you how strong or weak an acid or base is?
universal indicator paper
which paper tells you if its an acid or a base
litmus paper
how could you separate salt and water?
evaporation
name an example of a liquid
water, oil, juice
when acids eat away, burn and destroy things?
corrosive
_____ have a high pH of around 11-14.
strong base
what do you find listed on the periodic table?
elements
how could you separate inks in a dye?
paper chromatography
name an example of a gas
oxygen, helium, Co2
The reaction between an acid and base is called?
neutralisation
Fill in the blanks below Acid + Base --> _______ + ________
salt + water
what is two or more elements chemically combined called?
compound
how could you separate alcohol and water?
distillation
what is anything that takes up space and has mass called?
matter