part 1 - module 5

Question 1

homogenous mixture

Answer 1

a solution that is the same all the way through and is com[osed of two or more substances.

Question 2

solvent

Answer 2

the substance in which the solute dissolves. eg. water

Question 3

solute

Answer 3

substance that dissolves in the mixture. eg. salt

Question 4

precipitate

Answer 4

the insoluble compound that sometimes forms when two solutions are mixed.

Question 5

chemical properties of acids

Answer 5

• turns litmus paper red
• is corrosive
• sour taste
• low pH
• react with bases

Question 6

chemical properties of bases

Answer 6

• turns litmus paper blue
• have a slippery feel
• can burn or corrode
• react with fats and oils to make soaps
• high pH
• react with acids

Question 7

neutralisation reactions

Answer 7

acid base reactions

there are many types