Fractional Distillation

Fractional Distillation

Multiple Choice

What is the general formula for an alkane?

• CnH2n

• CH4

• CnH2n+2

• CnHn

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Why are alkanes described as saturated?

• No double bonds

• They're only good types of fat

• As much Hydrogen as possible

• There's loads of them

Multiple Choice

What is the relatve formula mass of MgO

• 24 + 16 = 40

• 12 + 8 = 20

• 24 + 8 = 32

• 12 + 16 = 28

Multiple Select

What is a mixture?

• Different elements and compounds chemically bonded together

• Different elements and compounds chemically not bonded together

• Positive regular lattice

• Sea of delocalised electrons

Multiple Select

Short chain alkanes are...

• Light in colour

• Dark in colour

• Viscous

• Non viscous

• Usually gases at room temperature

Multiple Select

Long chain alkanes are...

• Volatile

• Dark in colour

• Non-flammable

• High melting/boiling points

• Low melting/boling points