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Acids, Bases and Salts
Quick questions on Acids, bases and the pH scale: N(A)-Level Chemistry
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are properties of acids?Show answer
An acid is a substance that forms hydrogen ions, , when dissolved in water. Acids:
What is neutralisation?Show answer
Neutralisation is the reaction between an acid and a base to form a salt and water. The hydrogen ions from the acid react with the hydroxide ions from the alkali:
What is q1?Show answer
State the colour of litmus paper in (a) an acid and (b) an alkali. [2 marks]
What is q2?Show answer
A solution has a pH of . State whether it is acidic, neutral, or alkaline, and name the ion responsible. [2 marks]
What is q3?Show answer
Write the ionic equation for the neutralisation of an acid by an alkali. [1 mark]
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