What has to happen for a reactions betwen metals and salts to happen?
The metal must be more reactive than hydrogen.
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What is formed when a metal and acid reacts together?
A salt and hydrogen
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What is a base?
compounds that can neutralise acids usually metal oxides.
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What is formed when a acid and a base react together?
A salt and water.
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How are crystals obtained from a solution of Metal and acid?
Heat the substance in a basin over a bunson burner until water has evaporated.
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How do you make crystals from a acid and a base?
Warm solution on a tripod and gauze, should turn blue. When reaction has occured filter the solution to remove excess. Evaporate water till crystals start to form. Then leave to dry
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What is formed when an acid and a alkali react together?
A salt and Water
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How can you tell when a reaction between a acid and alkali is finished?
You add a acid/base indicator
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Why is a acid/base indicator added to a acid and alkali reaction?
Because it is impossible to tell if the reaction is over as there is no gas realeased and no insoluable base visable.
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What is formed when you react a acid with a carbonate?
A salt, water and carbon dioxide
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What is a indicator?
A substance that changes colour when you add them to acids or alkalis
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Other cards in this set
Card 2
Front
What is formed when a metal and acid reacts together?
Back
A salt and hydrogen
Card 3
Front
What is a base?
Back
Card 4
Front
What is formed when a acid and a base react together?
Back
Card 5
Front
How are crystals obtained from a solution of Metal and acid?
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