Acids And Alkalis

Question 1

Acids contain what ions

Answer 1

Hydrogen ions-ph7

Question 2

Alkalis contains ions- ph 7

Answer 2

Hydroxide ions

Are soluble bases

Question 3

Alkalis : Low concentration

High concentration

Answer 3

H+

OH-

Question 4

Examples Acids
Hydrochloride acid
Sulphuric acid
Nitric acid

Answer 4

HCI
H2SO4
HNo3

Question 5

Concentration ….

Answer 5

Of a solution is the amount of substance per unit volume of solvent.

Question 6

Concentration = ..

Answer 6

Amount of substance (g)\ volume (dm3)
C(g/dm3)=M/V
Litre= dm3

Question 7

Bases are

Answer 7

Metal oxide or hydroxide

Question 8

A base is …

Answer 8

A substance which neutralises an acid to give salt and water only.

Question 9

Salts are …

Answer 9

Ionic compounds between metals and non- metals

Question 10

Metals form

Answer 10

+Ve ions and non- metals form -Ve ions

Question 11

Aqueous is

Answer 11

Dissolved in water

Question 12

Soluble salts can be made from the reaction ..

Answer 12

Of an insoluble metal oxide with an acid.

Type of slat you made depends on the metal oxide you used.

Question 13

Magnesium Chloride (MgCl)

Answer 13

A salt consists of a metal and a non metal .

Question 14

Hydrochloride acids

Answer 14

Makes chlorides

Question 15

Sulphuric acid

Answer 15

Makes sulphates

Question 16

Nitrate acids

Answer 16

Makes nitrates

Question 17

Base + acids

Answer 17

= salt + water

Question 18

Alkali + acid =

Answer 18

Salt + water

Question 19

Conservation of mass ..

Answer 19

When chemical reactions happen when atoms are not created nor destroyed.
Same number of atoms at the start and the end.
This is balancing a equation

Question 20

1 dm3=

Answer 20

1000cm3