N(A)-Level Combined Science, Chemistry: Reactions, Acids and Salts module quiz (SEAB 5105/5107) quiz
13questions. Pick an answer and you'll see why right away.
Which of these is a sign that a chemical reaction has taken place?
When balancing a chemical equation, you should only change
A reaction releases heat, so the temperature of the mixture rises. This reaction is
An endothermic reaction is one that
What is the pH of a strongly acidic solution?
What colour does blue litmus turn in an acid?
What are the products when an acid reacts with a reactive metal?
What are the products of a neutralisation reaction between an acid and a base?
What are the products when an acid reacts with a carbonate?
Which gas, given off when an acid reacts with a carbonate, turns limewater milky?
What is a salt?
When preparing a soluble salt from an acid and an insoluble base, why is the base added in excess?
In the salt preparation, how is the unreacted excess insoluble base removed from the salt solution?