Chemical equations (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What do chemical equations show us?
What do chemical equations show us?
What happens in a chemical reaction
In a chemical equation, where are the reactants positioned?
In a chemical equation, where are the reactants positioned?
Before the arrow
In a chemical equation, what are the products?
In a chemical equation, what are the products?
Chemicals after the arrow
What does the arrow in a chemical equation show?
What does the arrow in a chemical equation show?
The direction of the reaction
Why use symbols in equations instead of names?
Why use symbols in equations instead of names?
They are shorter and easier to use
What key rule applies when balancing equations?
What key rule applies when balancing equations?
Atoms can't be created or destroyed
In , what does the number 2 in front tell us?
In , what does the number 2 in front tell us?
2 molecules
What does the state symbol (s) mean?
What does the state symbol (s) mean?
Solid
What does the state symbol (aq) represent?
What does the state symbol (aq) represent?
Aqueous solution
What does the state symbol (g) indicate?
What does the state symbol (g) indicate?
Gas