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Copy - GCSE Chemistry 11L1 > 2.6 Acids, Bases And Salts > Flashcards

2.6 Acids, Bases And Salts Flashcards

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1
Q

Define an alkali.

A

They form hydroxide ions in water/proton acceptors.

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2
Q

What is a proton donor?

A

An acid

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3
Q

Which oxide is required in the making of sodium chloride?

A

Sodium oxide

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4
Q

What is a salt?

A

A substance produced when an acid and a metal react or an acid and a base/alkali.

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5
Q

What is the definition of an acid?

A

A substance that gives up H+ ions (hydrogen) in a solution.

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6
Q

What is the symbol equation for sulphuric acid + copper oxide —-> copper sulphate + water

A

H2SO4+CuO—>CuSO4+H2O

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7
Q

What is a substance called with a pH of less than 7?

A

An Acid

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8
Q

What do bases do?

A

They react with acids and neutralise them to make a salt and water

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9
Q

What happens when acids react with bases or alkalis?

A

a salt and water are made: acid + metal oxide → salt + water

acid + metal hydroxide → salt + water

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10
Q

What happens when Acids react with reactive metals, such as magnesium and zinc?

A

It makes a salt and hydrogen: acid + metal → salt + hydrogen

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11
Q

What are acids?

A

Acids are substances which give up H+ ions in solution.

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12
Q

Are all bases alkaline?

A

No an alkali is a soluble base not all bases can dissolve in water e.g. copper oxide.

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13
Q

What is a salt?

A

Something produced when an acid is reacted with an alkali or base.

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14
Q

What type of substance acts as a proton donor?

A

An acid

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15
Q

What type of substance acts as a proton acceptor?

A

An alkali

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16
Q

What is the chemical opposite of an acid?

A

A base not a bass!

17
Q

What is an acidic solution?

A

A solution with a pH less than 7.

18
Q

What is an alkaline solution?

A

A solution with a pH more than 7

19
Q

What is a salt?

A

The substance created when a acid reacts with a base or alkali.

20
Q

What is another name for an acid?

A

A proton donor

Copy - GCSE Chemistry 11L1 (23 decks)

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