Acids, Bases And Salts

Question 0

What colour do acidic solutions turn blue litmus paper?

Answer 0

Red

Question 1

What PH does a substance need to have to be neutral?

Answer 1

7

Question 2

Is water acidic, alkaline or neutral?

Answer 2

Neutral

Question 3

What does the state symbol (s) represent?

Answer 3

Solid

Question 4

What does the state symbol (l) represent?

Answer 4

Liquid

Question 5

What does the state symbol (g) represent?

Answer 5

Gas

Question 6

What does the state symbol (aq) represent?

Answer 6

Aqueous - dissolved in water

Question 7

What do acids produce when dissolved in water?

Answer 7

Aqueous hydrogen ions H+

Question 8

What do alkalis produce when dissolved in water?

Answer 8

Aqueous hydroxide ions OH-

Question 9

What’s the ionic equation for neutralisation?

Answer 9

H+(aq) + OH-(aq) —-> H2O(l)

Question 10

What does a reaction of an acid + metal oxide produce?

Answer 10

Salt + water

Question 11

What does a reaction of an acid + metal hydroxide produce?

Answer 11

Salt + water

Question 12

What is a base also called if it can dissolve in water?

Answer 12

An alkali

Question 13

What does acid + metal produce?

Answer 13

Salt + hydrogen

Question 14

How can the hydrogen that is produced be detected?

Answer 14

The hydrogen can be detected using a lighted splint and hearing a squeaky pop

Question 15

What would be the name of the salt if hydrochloric acid is used?

Answer 15

Chloride

Question 16

What would be the name of the salt if nitric acid was used?

Answer 16

Nitrate

Question 17

What would be the name of the salt if sulphuric acid is used?

Answer 17

Sulfate