Revision Flashcards
Compounds and Mixtures, Solubility, States of Matter,
What is a compound?
A compound is when 2 (or more elements) are chemically joined together
Can compounds be separated easily?
no
What is a mixture
Mixtures occur when two or more elements come together
When magnesium reacts with oxygen, what is the newly formed element called?
magnesium Oxide
What happens to a glowing splint when it reacts with oxygen
The oxygen relights the splint
What happens to a burning splint when it reacts with hydrogen
It gets put out with a pop sound
What happens when carbon dioxide reacts with lime water?
The limewater turns cloudy
What is S when it comes to states of Matter
solid
What is L when it comes to states of Matter
liquid
What is g when it comes to states of Matter
gas
What is aq when it comes to states of Matter
aqueous
Name signs of a chemical reaction
colour change gas produced
temperature change appearance change
light produced precipitation
what is effervescence?
bubbles produced from a liquid (due to gas)
What is a solute
the substance that dissolves
what is a solvent
the substance in which other substances dissolve in
