EASY
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Define Solution

Important Questions on Separating Substances

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Checkup on Chapter 2>Q □
Define: Aqueous solution
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Checkup on Chapter 2>Q □
Give at least three examples of solvents.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Checkup on Chapter 2>Q □
State the most solids become more soluble as the temperature of the solvent rises.
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Checkup on Chapter 2>Q □

Explain what this term mean:

 Pure substance

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Checkup on Chapter 2>Q □

Explain what this term means:

Impurity

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Checkup on Chapter 2>Q □
Give examples of where purity is very important.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Checkup on Chapter 2>Q □
Say how melting and boiling points change when an impurity is present.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Checkup on Chapter 2>Q □

Decide whether a substance is pure, from melting and boiling point data. 

Substance Sulphur Water
Melts at °C 119 -0.5
Boils at °C 445 101