O-Level Combined Science, Chemistry: Reactions, Acids and Salts module quiz (SEAB 5076/5078) quiz
14questions. Pick an answer and you'll see why right away.
Which ion is produced when an acid dissolves in water?
A solution has a pH of 13. It is
What are the products when a dilute acid reacts with a reactive metal?
Which gas is produced when an acid reacts with a carbonate, and what is its test?
Neutralisation can be summarised by which ionic equation?
Which salt is formed when sulfuric acid reacts with a base?
Which method is used to prepare an insoluble salt such as barium sulfate?
Why is titration, rather than excess solid, used to prepare a soluble salt such as sodium chloride?
An exothermic reaction is one that
In terms of bonds, why is a reaction exothermic overall?
According to collision theory, increasing the concentration of a reactant speeds up the reaction because
How does a catalyst increase the rate of a reaction?
Larger marble chips react more slowly with acid than powdered marble because the powder has
A metal oxide reacting with an acid to form a salt and water shows that the oxide is