Acid and Alkali

Question 1

name a substance that is a proton donor

Answer 1

acid

Question 2

name a substance that accepts H+ ions

Answer 2

base

Question 3

name the reaction between acid and metal hydroxide/oxide

Answer 3

acid + metal hydroxide = metal salt + water

Question 4

what is the chemical formula of ammonia

Answer 4

NH₃

Question 5

name the reaction between ammonia and acid

Answer 5

acid + ammonia = ammonium salt

Question 6

chemical formula for ethanoic acid

Answer 6

CH₃COOH

Question 7

what is the neutralization formula

Answer 7

H⁺ + OH⁻ = H₂O

Question 8

whats is the test for hydrogen

Answer 8

place a lit splint in a test tube, if hydrogen is present, a squeaky pop will be produced

Question 9

are metal oxides alkaline

Answer 9

yes

Question 10

what is the reaction between metal carbonate and acid

Answer 10

acid + metal carbonate = metal salt + carbon dioxide +water

Question 11

what color is phenolphthalein when acid is in it

Answer 11

colourless

Question 12

what color is methyl orange when acid is in it

Answer 12

red

Question 13

what color is phenolphthalein when alkali is in it

Answer 13

pink

Question 14

what color is methyl orange when alkali is in it

Answer 14

yellow

Question 15

is vinegar acidic or alkaline

Answer 15

adidic

Question 16

is bleach acidic or alkaline

Answer 16

alkaline

Question 17

is soap acidic or alkaline

Answer 17

alkaline

Question 18

what is the chemical formula of ammonium

Answer 18

NH₄

Question 19

what is the test for carbon dioxide

Answer 19

if carbon dioxide is bubbled through lime water, the lime water turns cloudy and milky

Question 20

The higher the _______ concentration in a solution the lower the pH, the more acidic it is

Answer 20

H⁺ hydrogen ion

Question 21

what is the test for oxygen

Answer 21

If oxygen is present in a test tube, a glowing splint relights when it is held inside

Question 22

what is the pH of strong acid

Answer 22

pH 1-3

Question 23

what is the pH of weak acid

Answer 23

pH 4-6

Question 24

what is the pH of weak alkali

Answer 24

pH 8-10

Question 25

what is the pH of strong alkali

Answer 25

pH 11-14

Question 26

what indicator shows the specific pH color

Answer 26

universal indicator

Question 27

acid release hydrogen ions when they are in ______________

Answer 27

aqueous solution

Question 28

what is the product of this reaction: hydrochloric acid + copper oxide

Answer 28

copper chloride + water

Question 29

what is the product of this reaction: sulfuric acid + zinc oxide

Answer 29

zinc sulfate + water

Question 30

what is the product of this reaction: nitric acid + potassium hydroxide

Answer 30

potassium nitrate + water

Question 31

what is the product of this reaction: magnesium + hydrochloric acid

Answer 31

magnesium chloride + hydrogen

Question 32

what is the product of this reaction: calcium carbonate + hydrochloric

Answer 32

calcium chloride + carbon dioxide + water

Question 33

what is the product of this reaction: ammonia + hydrogen chloride

Answer 33

ammoium chloride

Question 34

what is titration

Answer 34

allows to find out exactly how much acid is needed to neutralize alkali