Revison Science Flashcards
What is a catalyst?
A catalyst is a type of chemical which speeds up a reaction although the catalyst is not being used up.
What is exothermic reaction?
It is a reaction which gives out heat/energy.
What is an endothermic reaction?
An endothermic reaction is a reaction that takes in heat/energy.
What does electrolysis mean?
Electrolysis means to splitting a substance using electricity
What does electroplating mean?
Electroplating means to cover one metal with another metal using electricity
What does electrolyte mean?
Electrolyte is a type of liquid that conducts electricity
What does photosynthesis mean?
Photosynthesis is the process to make food from light.
What is glucose’s formula?
C H O
6 12 6
What is the equation for photosynthesis?
6CO + 6H O This turns into C H O + 6O
2 2 6 12 6 2
What do plants need to create photosynthesis?
Water,Carbon dioxide and sunlight
What type of base is soluble?
Alkalis
What does solute mean?
Solute is a type of substance ( solid or gas) that can be dissolved.
What does solvent mean?
Solvent is a liquid that disolves a solute.
What does solution mean?
The mixture of the solute mixed with the solvent.
What does dissolve mean?
The process where the solute and solvent mix together to make the solution.