acids and bases

Question 1

acidic solution

Answer 1

more hydrogen ions than hydroxide ions

Question 2

alkaline solution

Answer 2

more hydroxide ions than hydrogen ions

Question 3

neutral solution

Answer 3

equal amount of hydrogen and hydroxide ions

Question 4

name 3 metal bases

Answer 4

metal oxide
metal carbonate
metal hydroxide

Question 5

equations for metal bases

Answer 5

metal oxide —> salt + water
metal hydroxide —> salt + water
metal carbonate —> salt + water + carbon dioxide

Question 6

type of oxide that dissolves in water to form acidic solution

Answer 6

soluble non metal oxides

Question 7

type of oxide that dissolves in water to form alkaline solution

Answer 7

soluble metal oxides

Question 8

what’s a base

Answer 8

substance that neutralises an acid

Question 9

what’s a neutralisation reaction

Answer 9

reaction where base reacts with acid to form water and salt

Question 10

spectator ions

Answer 10

ions which don’t take part in the reactions and appear on both sides of the equation

Question 11

titration

Answer 11

technique that uses neutralisation reaction to determine the conc of an acid or alkali

Question 12

apparatus used to measure titration

Answer 12

burette and pipette

Question 13

titration formula

Answer 13

c1 v1 / n1 = c2 v2 / n2

Question 14

why is titration used

Answer 14

to prepare soluble salts

Question 15

concordant results

Answer 15

results within 0.2cm cubed of eachother

Question 16

what would adding water to an acidic or alkaline solution do

Answer 16

acidic = decrease number of hydrogen ions
alkaline = decrease number of hydroxide ions

Question 17

precipitation reaction

Answer 17

one in which dissolved substances react to form one (or more) solid insoluble products
with spectator ions and long reaction

Question 18

to create crystals from a base reacting w acid

Answer 18

add, filter, heat