Quiz Chemistry IGCSE Chapter 1 to 7

What are the three states of matter?

• Solid, Plasma, Vapor

• Gas, Plasma, Liquid

• Liquid, Gas, Ice

• Solid, Liquid, Gas

Which state of matter has a definite shape?

• Plasma

• Gas

• Liquid

• Solid

What is the rate of diffusion in liquids compared to gases?

• Slower in liquids

• Equal in both

• Faster in gases

• Faster in liquids

What is Brownian movement?

• Movement of particles in a vacuum

• Movement of gas particles only

• Random movement of particles in a fluid

• Movement of particles in a solid

What affects the rate of diffusion?

• Volume of the container

• Relative molecular mass

• Temperature only

• Shape of the particles

What is the smallest unit of an element that retains its properties?

• Molecule

• Atom

• Compound

• Ion

Which of the following is a compound?

• Oxygen (O₂)

• Hydrogen (H₂)

• Water (H₂O)

• Carbon (C)

What is the term for a substance made up of two or more different types of atoms bonded together?

• Element

• Mixture

• Compound

• Solution

In a balanced chemical equation, what does the coefficient in front of a compound represent?

• The number of atoms in the compound

• The number of molecules of the compound

• The mass of the compound

• The volume of the compound

What is the molar mass of water (H₂O)?

• 16 g/mol

• 18 g/mol

• 20 g/mol

• 22 g/mol