Chemistry /GCSE Chemistry 11L1: Acids, Bases, and Salts
Define an alkali.
They form hydroxide ions in water/proton acceptors.
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Key Terms
Term
Definition
Define an alkali.
They form hydroxide ions in water/proton acceptors.
What is a proton donor?
An acid
Which oxide is required in the making of sodium chloride?
Sodium oxide
What is a salt?
A substance produced when an acid and a metal react or an acid and a base/alkali.
What is the definition of an acid?
A substance that gives up H+ ions (hydrogen) in a solution.
What is the symbol equation for sulphuric acid + copper oxide —-> copper sulphate + water
H2SO4+CuO—>CuSO4+H2O
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Term | Definition |
---|---|
Define an alkali. | They form hydroxide ions in water/proton acceptors. |
What is a proton donor? | An acid |
Which oxide is required in the making of sodium chloride? | Sodium oxide |
What is a salt? | A substance produced when an acid and a metal react or an acid and a base/alkali. |
What is the definition of an acid? | A substance that gives up H+ ions (hydrogen) in a solution. |
What is the symbol equation for sulphuric acid + copper oxide —-> copper sulphate + water | H2SO4+CuO—>CuSO4+H2O |
What is a substance called with a pH of less than 7? | An Acid |
What do bases do? | They react with acids and neutralise them to make a salt and water |
What happens when acids react with bases or alkalis? | A salt and water are made: acid + metal oxide → salt + water acid + metal hydroxide → salt + water |
What happens when Acids react with reactive metals, such as magnesium and zinc? | It makes a salt and hydrogen: acid + metal → salt + hydrogen |
What are acids? | Acids are substances which give up H+ ions in solution. |
Are all bases alkaline? | No an alkali is a soluble base not all bases can dissolve in water e.g. copper oxide. |
What is a salt? | Something produced when an acid is reacted with an alkali or base. |
What type of substance acts as a proton donor? | An acid |
What type of substance acts as a proton acceptor? | An alkali |
What is the chemical opposite of an acid? | A base not a bass! |
What is an acidic solution? | A solution with a pH less than 7. |
What is an alkaline solution? | A solution with a pH more than 7 |
What is a salt? | The substance created when a acid reacts with a base or alkali. |
What is another name for an acid? | A proton donor |