Forensics Flashcards
(30 cards)
What temperature does water freeze at?
0 c
What is the name of the process of liquid turning into a solid?
Freezing
What does water boil at?
100 c
What is Sublimation
Solid to a gas
What is Evaporation
Liquid into a gas
What does Evaporation use?
Heat
What is solidifying?
Making a solid
What do particles make up?
Solid, liquid and Gas
How far away are solids particles?
Close together
How far away are liquids particles
Slightly far away
How far away are gases particles
Very far away
What is boiling point?
Boiling point is when a liquid turns into a vapour
What is a melting point?
Melting point is when a solid will melt into a liquid
What is the opposite of freezing
Melting
What is the opposite of melting
Freezing
Solute + Solvent =
Solution
Salt + Water =
Salt solution
What is chromatography
The process of separating colours, dyes or ink
Why do we use filter paper
It had thin lines so water is soaked up and allows water to move up
Why we don’t use pencil
Pencil doesn’t have ink
What you see at the end of chromatography
The dye seperated
What is fractional distillation
Process of separating liquids that mix but have different boiling points
What does a condenser do
Cools the vapour back into liquid
What is melting
Solid into liquid