IGCSE Chemistry Quiz

Which substance could have a macromolecular structure, similar to that of silicon(IV) oxide?

Which substances are solids at room temperature?

Which substance could be a metal?

Which substance could be aqueous sodium chloride?

Which substance is an ionic compound?

Which substances are liquids at room temperature?

Explain the following in terms of the kinetic particle theory. The rate of most reactions increases at higher temperatures.

Explain the following in terms of the kinetic particle theory. A liquid has a fixed volume but takes up the shape of the container. A gas takes up the shape of the container but it does not have a fixed volume.

Which three substances are solids at room temperature?

Which one is an ionic compound?