EASY
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Give three examples of insoluble solids you use at home.

Important Questions on Separating Substances

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Q>Q 5
Name two solvents other than water that is used in the home. What are they used for? 
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Q>Q 6
Many gases dissolved in the water. Try to give some examples.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Q>Q 1
What does a pure substance mean? 
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Q>Q 2
You mix instant coffee with water, to make up a cup of coffee. Is coffee is an impurity? Explain.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Q>Q 3
Explain why melting and boiling points can be used as a way to check purity.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Q>Q 4
Could there be impurities in a gas? Explain.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Q>Q 1
What does the term 'filtrate' mean? Give an example.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 2 - Separating Substances>Q>Q 1
What does the term 'residue' mean? Give an example.