2.6 Acids, Bases And Salts Flashcards Preview

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

Flashcards in 2.6 Acids, Bases And Salts Deck (20)
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1

Define an alkali.

They form hydroxide ions in water/proton acceptors.

2

What is a proton donor?

An acid

3

Which oxide is required in the making of sodium chloride?

Sodium oxide

4

What is a salt?

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

5

What is the definition of an acid?

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

6

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

H2SO4+CuO--->CuSO4+H2O

7

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

An Acid

8

What do bases do?

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

9

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

10

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

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

11

What are acids?

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

12

Are all bases alkaline?

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

13

What is a salt?

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

14

What type of substance acts as a proton donor?

An acid

15

What type of substance acts as a proton acceptor?

An alkali

16

What is the chemical opposite of an acid?

A base not a bass!

17

What is an acidic solution?

A solution with a pH less than 7.

18

What is an alkaline solution?

A solution with a pH more than 7

19

What is a salt?

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

20

What is another name for an acid?

A proton donor