Acids and bases
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When is an alkaline solution formed?
When is a metal oxide is dissolved in water
Explain why water has a neutral pH
there are equal quantities hydrogen and hydroxide ions
Explain what the term dissociates means
brekas up into ions
Explain why the conductivity of 1 moll-1 solution is higher than the conductivity of a 0.1 moll-1 sollution
There is a hgher cocentration of ions
State what happens to the pH of an acid solution when copper carbonate is added to it
The pH increases as te acid is being neutralsied
State what is meant by the term standard solution
A solution of accurately known concentration
Explain why the production of sulfur dioxide would result in the pH of rain water decreasing if it was released into the atmosphere
Soluble metal oxides such as sulfur dioxide dissolve in water to form acidic solutions
What equipment is best for measuring out accurately a known volume of solution
Pipette
Which piece of chemical equipment is used in a titration to accurately measure the volume of acid required to neutralise an alkali
Burette
What is a titration
The neutralisation of an acid by an alkali