C1 AND C2 Flashcards
1
Q
Interconversion of state?
A
Matter changes from 1 state to another due to heat or pressure
2
Q
Difference between physical change and chemical change
A
Physical - changes in the forces between particles -chemical properties unchanged
Chemical - affects chemical properties of a substance
3
Q
Solid straight into a gas?
A
sublimation
4
Q
Fractional distillation of air
A
Liquid air is put in a fractionating column and is heated .
Substances with a high boiling point is at the bottom and substances with lowest boiling point is at the top .
Just remember the oil one and how Bitumen is at the bottom
5
Q
Immiscible - separation
A
Use a separating funnel to allow liquids to separate
