Elements,Compounds And Mixtures Flashcards
What is an element?
An element is a substance that cannot be broken down further
What is a compound?
A compound is 2 or more different elements joined together by a chemical bond
A chemical reaction is an interaction of two or more chemicals that produces one or more compounds.
A) What are reactants?
B) What are products?
A) Reactants are substances that take part in a chemical reaction
B) Products are substances that formas a result from a chemical reaction
The elements sulphur and iron join together to form iron sulphide. What is the word equation?
Iron ➕ Sulphur ➡️ Iron Sulphide
What is a solution?
A solution is a mixture formed when one or more solutes dissolve in a solvent.
Give 1 example of a solvent, solute, solution.
A solvent - water
A solute - sugar
A solution - Sugar Water Solution
What is a mixture?
A mixture is composed of 2 or more separate substances.
What is a suspension?
A suspension is a solid mixed with a liquid.
What is a solution?
A solution is made when a solute and a solvent is mixed.
What is an emulsion?
An emulsion is liquid mixed with a liquid.
What are the 5 main ways of separating mixtures?
• Decanting
•A Fast Filter
•Filtration
•Crystallisation
•Centrifuge
What is filtration?
Filtration is carried out by folding a piece of filter paper to make a cone. The liquid is poured through the fibre cone and only the liquid flows through.
What is a sediment?
Large particles of an insoluble in a liquid that settle at the bottom of the container.
It is the heating of liquid to create a water vapour which is then?
Condensed
What is chromatography?
Is separating several solutes from a solvent.
