Acids and Bases

Question 1

what is the scale that measures how acidic or alkaline something is

Answer 1

pH

Question 2

acids have a pH

Answer 2

of less than 7

Question 3

alkalis have a pH

Answer 3

of greater than 7

Question 4

neutral substances have a pH

Answer 4

of 7

Question 5

acid solutions have a

Answer 5

higher concentration of H+ ions compared to OH- ions

Question 6

alkaline solution have a

Answer 6

higher concentration of OH- ions compared to H+ ions

Question 7

neutral substances have

Answer 7

equal concentrations of H+ ions compared to OH- ions

Question 8

dilution of acids

Answer 8

decreases the H+ ions but increases the pH

Question 9

dilution of an alkali

Answer 9

decreases the OH- ions and decreases the pH

Question 10

soluble non metal oides dissolve in water to

Answer 10

form an acidic solution

Question 11

soluble metal oxides dissolve in water to

Answer 11

form an alakline solution

Question 12

a base is something that that will

Answer 12

neutralises an acid

Question 13

an alkali is a soluble

Answer 13

base

Question 14

a neutralisation reaction is

Answer 14

one of when a base reacts with an acid to form water and a salt is also formed

Question 15

a metal oxide + an acid

Answer 15

a salt + water

Question 16

a metal hydroxide + an acid

Answer 16

a salt + water

Question 17

a metal carbonate + an acid

Answer 17

a salt + water + carbon dioxide

Question 18

hydrochloric acid produces

Answer 18

chloride

Question 19

sulfuric acis produces

Answer 19

sulfates

Question 20

nitric acid produces

Answer 20

nitrates

Question 21

spectator ions are ions

Answer 21

that remain unchanged by the reaction

Question 22

titration

Answer 22

produces a soluble salt