Chem Test Rev

Question 1

What is the lowest ph on the scale

Answer 1

0

Question 2

Hydrochloric acid

Answer 2

Made in the human body to help the body digest food

Question 3

Sulfuric acid

Answer 3

Found in cars batteries and used in car batteries

Question 4

Nitric acid

Answer 4

Used to make fertilisers

Question 5

Ethanoic acid

Answer 5

One of the substances in vinegar

Question 6

Citric acid

Answer 6

occurs naturally in citrus fruits

Question 7

Carbonic acid

Answer 7

Used in fizzy drinks

Question 8

Highest ph on the scale
And what might have this ph

Answer 8

14
Sodium hydroxide

Question 9

Calcium hydroxide(lime water)

Answer 9

Treating over acidic soil

Question 10

Magnesium hydroxide (milk of magnesia )

Answer 10

Makes Indigestion remedies

Question 11

Sodium hydroxide (caustic soda )

Answer 11

Used to make oven cleaners and drain cleaners

Question 12

Ammonia

Answer 12

Makes fluids that clean Silver and brass

Question 13

Red cabbage in Acid and alkali

Answer 13

Pink in acid green in alkali

Question 14

What other plant make indicators

Answer 14

Onions , beetroots or tomatoes

Question 15

Methyl orange in acid and Alkali

Answer 15

Red in acid orange in alkali

Question 16

Brothomyl blue in acid and alkali

Answer 16

Orange in acid and blue in alkali

Question 17

Phenolphthalein in acid and alkali

Answer 17

Colourless in acid and pink in alkali

Question 18

Litmus in acid and alkali

Answer 18

Red in acid and purple in alkali

Question 19

What number on the ph scale is neutral

Answer 19

7

Question 20

Less than 7 on the ph scale is

Answer 20

Acidic

Question 21

More than 7 on the ph scale is

Answer 21

Alkali

Question 22

0-2 on the ph scale in universal indicator is

Answer 22

Red in universal indicator

Question 23

3-4 on ph scale in universal indicator is

Answer 23

Orange

Question 24

5-6 on the ph scale in universal indicator is

Answer 24

Yellow

Question 25

7 on the ph scale in universal indicator is

Answer 25

Green

Question 26

8-9 on the Ph scale in universal indicator is

Answer 26

Green and blue

Question 27

10-11 on the ph scale in universal indicator is

Answer 27

Blue

Question 28

12-14 on the ph scale in universal indicator is

Answer 28

Purple

Question 29

Ph of 0-3 means the solution is

Answer 29

Strongly acidic

Question 30

Ph of 4-6 means the solution is

Answer 30

Weakly acidic

Question 31

Ph of 7 means the solutions is

Answer 31

Neutral

Question 32

Ph of 8-10 means that the solution is

Answer 32

Weakly alkaline

Question 33

Ph of 11- 14 means the solution is

Answer 33

Strongly alkaline

Question 34

A green colour withuniversal indicator would have a ph of

Answer 34

7

Question 35

An orange colour with universal indicator should have a ph of between

Answer 35

3 and 4

Question 36

A blue colour with universal indicator would have a ph of between

Answer 36

10 and 11

Question 37

A red colour with universal indicator would have. Ph of between

Answer 37

O and 3

Question 38

What was the solid acid we used in this topic

Answer 38

We used citric acid