Mixtures / Solutions
Name an example of a mixture
Answers vary
Name the three states of matter
Solid, Liquid, Gas
How can a mud water solution be separated?
Filtration
What is chromatography?
A separation techniques used to separate miscible liquids/ liquids which are mixed together from each other
Name the equipment in a filtration lab (4 pieces)
conical flask, filtration paper, funnel, beaker with solution.
True or false? The components in a mixture are chemically joined together
False
True or false? The molecules in a solid are close together
True
What is the name given to the water which is separated in a filtration lab?
Filtrate
The paper used in chromatography is known as..........phase
Stationary
Define the term 'mixture'
A combination of two or more substances in which no new substances are formed
In a solution which part of the solution is the solute: salt or water?
salt
What is the name of the process of a gas changing into a liquid?
Condensation
Complete the sentence: Evaporation uses heat to separate a _______ solid from a liquid
Dissolved or soluble
In order to recollect only the salt from sea water the most simple method of separation would be
Evaporation
Define the term 'pure substance'
A substance that is made up of only one type of stuff; contrasted with a mixture
What is a solution?
A combination of a dissolved substance (solute) and a solvent
In which state of matter does the matter have the most energy?
Gas
What is a solute?
The solid that is dissolved
The substance doing the dissolving
Solvent
What is the name of the special piece of equipment used in distillation to cool the vapour to liquid?
Condenser
How are mixtures and solutions different from each other?
the mixture combines physically and the solution is not easily separated
Name the change of state that occurs during evaporation?
Liquid to gas
What is the residue in a filtration experiment?
The component that stays in the funnel.
How can a liquid- liquid solution be separated?
Distillation
Define the term 'sublimation'
A change in state from solid directly to gas, by absorbing heat