States of Matter
Close, together, constantly move about and not arranged in a pattern.
Liquid
Factors that affect the rate of a reaction.
Particle size, concentration and temperature.
Factors that affect the rate of dissolving.
Stirring, particle size and temperature.
An Acid and Alkali react to form..
Salt and water
Fewer Particles compared to the same volume of solid and liquid, moving very fast in all directions. Not arranged in a pattern.
Gas
A substance that contains only one type of substance.
Pure substance.
A solid that dissolves.
A solute.
An acidic pH ranges from...
0-6
An increase in energy causes particles to...
Vibrate
Two separation techniques.
Evaporation, distillation, chromatography or Filtration
A substance that does not dissolve
Insoluble.
An alkali pH ranges from...
8-14
3 examples of physical changes we come across in every day life.
Melting ice, Freezing water, Dissolving sugar e.g.
A separation technique used to separate a mixture of liquids that have different boiling points.
Distillation
When a substance is absorbed by and 'disappears' into a liquid.
Dissolving.
You can treat a bee sting with...
Bicarbonate Soda
Packed, tightly together, cannot move and arranged in a regular pattern.
Solid
A substance that speeds up a chemical reaction.
A catalyst.
A liquid containing a solute dissolved in a solvent.
A solution.
The pH of a neutral substance.
7