TOPIC - 5 Acid Spill!1!1!

Question 1

metal compounds that can neutralise an acid

Answer 1

hydroxides, oxides and carbonates.

Question 2

acids contain

Answer 2

H+ (aq)

Question 3

acids are

Answer 3

corrosive and can breakdown lots of materials.

Question 4

what is formed when an acid is neutralised

Answer 4

a salt.

Question 5

a titration is used to find

Answer 5

the unknown concentration of an acid or an alkali

Question 6

electrolysis of an acid always produces

Answer 6

hydrogen gas at the negative electrode

Question 7

neutralisation is a reaction that

Answer 7

decreases the hydrogen ion concentration

Question 8

what is used to determine whether something is an acid, alkali or neutral

Answer 8

universal indicator

Question 9

some common acids are made by dissolving

Answer 9

non-metal oxides in water

Question 10

when ____ of ____, _____ and _____ dissolve in water in the atmosphere they form ________.

Answer 10

when OXIDES of CARBON, SULFUR and NITROGEN dissolve in water in the atmosphere they form ACID RAIN.

Question 11

soluble non-metal oxides form

Answer 11

acids

Question 12

soluble metal oxides form

Answer 12

alkalis

Question 13

common: hydrochloric acid

Answer 13

HCl

Question 14

common: sulphuric acid

Answer 14

H₂SO₄

Question 15

common: nitric acid

Answer 15

HNO₃

Question 16

common: sodium hydroxide

Answer 16

NaOH

Question 17

common: ammonium hydroxide

Answer 17

NH₄OH

Question 18

common: calcium hydroxide

Answer 18

Ca(OH)₂

Question 19

insoluble oxides are

Answer 19

neutral

Question 20

all acidic solutions are

Answer 20

ionic

Question 21

all acids contain

Answer 21

hydrogen

Question 22

ph is dependent on the

Answer 22

concentration of hydrogen ions in a solution

Question 23

when water dissociates it forms an

Answer 23

equal amount of hydrogen ions and hydroxide ions so the pH is 7

Question 24

acids are solutions containing what concentration of hydrogen and hydroxide ions?

Answer 24

more hydrogen ions than hydroxide ions

Question 25

alkalis are solutions containing what concentration of hydrogen and hydroxide ions?

Answer 25

more hydroxide ions than hydrogen ions

Question 26

water is a solution containing what concentration of hydrogen and hydroxide ions?

Answer 26

equal concentration of hydrogen ions and hydroxide ions

Question 27

all acids can be corrosive if

Answer 27

they are concentrated enough

Question 28

when an acid is neutralised by a base what is always formed

Answer 28

a salt and water

Question 29

when an acid is neutralised by a metal carbonate base what is always formed

Answer 29

a salt and water and carbon dioxide

Question 30

spectator ions

Answer 30

are ions that are present at both the start and end of a reaction and dont change state

Question 31

titration equation

Answer 31

PVC (acid) = PVC (alkali)

Question 32

titrations can be used to find

Answer 32

the unknown concentration of an acid