Skip to content

Course home

States of matter

States of matter

EasyMedium
12345678910
Question 10

The melting points of three related compounds are:

  • Lauric acid: 43 ∘C43\text{ }^\circ\text{C}43 ∘C
  • Oleic acid: 13 ∘C13\text{ }^\circ\text{C}13 ∘C
  • Stearic acid: 69 ∘C69\text{ }^\circ\text{C}69 ∘C

The boiling point of all these compounds is above 150 ∘C150\text{ }^\circ\text{C}150 ∘C.

State the physical state (solid, liquid, or gas) of each acid at a room temperature of 22 ∘C22\text{ }^\circ\text{C}22 ∘C.

[3]
Markscheme

States of matter Questions

  1. IGCSE
  2. /Chemistry
  3. /States of matter

12 exam-style questions on Edexcel IGCSE Chemistry States of matter. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank