C1 AND C2

Question 1

Interconversion of state?

Answer 1

Matter changes from 1 state to another due to heat or pressure

Question 2

Difference between physical change and chemical change

Answer 2

Physical - changes in the forces between particles -chemical properties unchanged

Chemical - affects chemical properties of a substance

Question 3

Solid straight into a gas?

Answer 3

sublimation

Question 4

Fractional distillation of air

Answer 4

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

Question 5

Immiscible - separation

Answer 5

Use a separating funnel to allow liquids to separate