Acids Bases and salts

Question 1

What ions are present in all acids

Answer 1

the ion is the H+

Question 2

What ions are present in all alkalis

Answer 2

OH-

Question 3

Define an acid

Answer 3

An acid is a solution that has more free hydrogen ions

Question 4

Define an base

Answer 4

A base is a solution that has less free hydrogen ions

Question 5

what is the difference between a base and an alkali

Answer 5

A base is a substance that neutralises an acid.

An alkali is a SOLUBLE base.

Question 6

acid + base =

Answer 6

acid + base = salt +water

Question 7

acid + alkali =

Answer 7

acid + alkali = salt +water

Question 8

metal + acid

Answer 8

metal + acid → salt + hydrogen

Question 9

acid + metal carbonate

Answer 9

acid + metal carbonate → a salt + water + carbon dioxide

Question 10

formula for sulphuric acid

Answer 10

H2SO4

Question 11

formula for ethanoic acid

Answer 11

C2H4O2

Question 12

Ammonias formula

Answer 12

NH3

Question 13

Whats is an indicator

Answer 13

a thing that indicates the state or level of something

Question 14

copper oxide + sulphuric acid =

Answer 14

copper oxide + sulphuric acid → copper sulphate + water

Question 15

Hydrochloric acid + Iron =

Answer 15

Hydrochloric acid + Iron → Iron (II) Chloride + Hydrogen gas

Question 16

Calcium Carbonate + Nitric acid =

Answer 16

CaCO3 + 2HNO3 –> Ca(NO3)2 CO2 + H20