Podcast
Questions and Answers
Which property is NOT typically associated with metals?
Which property is NOT typically associated with metals?
- Brittle (correct)
- Lustrous
- Ductile
- Malleable
Mercury is a metal that is solid at normal temperatures.
Mercury is a metal that is solid at normal temperatures.
False (B)
What is formed when an acid reacts with a metal or base?
What is formed when an acid reacts with a metal or base?
- Salt (correct)
- Alcohol
- Gas
- Water
What is one common use for copper?
What is one common use for copper?
The metal used for making food cans that resist corrosion is _____ .
The metal used for making food cans that resist corrosion is _____ .
Sodium chloride is commonly used as a fertilizer in gardening.
Sodium chloride is commonly used as a fertilizer in gardening.
Match the metals with their primary properties:
Match the metals with their primary properties:
What does an indicator do?
What does an indicator do?
The chemical name for common salt is ______.
The chemical name for common salt is ______.
Match the following common salts with their uses:
Match the following common salts with their uses:
Flashcards
What is a salt?
What is a salt?
A salt is a compound formed when an acid reacts with a metal or a base.
Common salt (sodium chloride)
Common salt (sodium chloride)
A salt commonly used for taste improvement in cooking.
What is an acid?
What is an acid?
A substance that reacts with metals and bases to make a salt.
What is a base?
What is a base?
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Alum uses
Alum uses
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Metal Properties
Metal Properties
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Ductile Metal
Ductile Metal
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Malleable Metal
Malleable Metal
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Common Metal: Iron
Common Metal: Iron
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Common Metal: Copper
Common Metal: Copper
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Study Notes
Salts
- A salt is a compound formed when an acid reacts with a metal or a base
- Example: Reaction between sodium hydroxide and hydrochloric acid produces sodium chloride and water
- Many salts are found around the home
Common Salts
| Common name | Chemical name | Uses |
|---|---|---|
| alum | aluminium sulphate | stops small cuts from bleeding |
| common salt | sodium chloride | used in cooking to help food taste better |
| chalk | calcium carbonate | used as blackboard chalk and as a building material |
| plaster of Paris | calcium sulphate | used for coating walls and ceilings, making models and casts |
| washing soda | sodium carbonate | softens water for washing clothes |
| borax | sodium borate | cleans and disinfects small cuts |
| epsom salts | magnesium sulphate | used for bath salts and as a laxative |
| saltpetre | potassium nitrate | used as a garden fertiliser |
What you have learnt
- An acid reacts with metals and a base to produce a salt
- A base dissolves in water as an alkali
- Strong acids and alkalis are dangerous - they burn skin and damage your eyes
- An indicator changes colour to show if a substance is an acid or a base
Check your progress
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What is an acid, a base and a salt?
- An acid is a substance that reacts with metals to produce a salt.
- A base is a substance that dissolves in water as an alkali.
- A salt is a compound formed from the reaction of an acid and a base.
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Name two common acids, two common bases and two common salts. (Examples are given in the table above)
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Describe one way in which each of the substances you name is useful. (Examples are given in the table above)
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Description
This quiz covers the basics of salts, including what they are, how they are formed, and their common uses. Test your knowledge on various types of salts and their applications in everyday life.
