IGCSE Chemistry Revision Flashcards

These flashcards include key concepts and definitions relevant for the IGCSE Chemistry exam.

Acids are substances that produce __ ions when they are dissolved in water.

H+ (hydrogen) ions

The general formula of an alcohol is __.

CnH2n+1OH

The process of separating a mixture of liquids with different boiling points is called __ distillation.

Fractional

In a chemical equation, the __ are the substances that undergo change.

Reactants

A solution that contains the maximum amount of dissolved solute at a given temperature is called __ solution.

Saturated

The number of protons in the nucleus of an atom is also known as its __ number.

Atomic

When a substance dissolves in water, it forms a __.

Solution

The process in which an acid reacts with a base to form water and a __ is called neutralisation.

Salt

A __ is a mixture of two or more metals or a metal with one or more other elements.

Alloy

Dilute hydrochloric acid reacts with zinc to form zinc __ and hydrogen gas.

Chloride