Chem Test Rev Flashcards

1
Q

What is the lowest ph on the scale

A

0

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2
Q

Hydrochloric acid

A

Made in the human body to help the body digest food

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3
Q

Sulfuric acid

A

Found in cars batteries and used in car batteries

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4
Q

Nitric acid

A

Used to make fertilisers

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5
Q

Ethanoic acid

A

One of the substances in vinegar

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6
Q

Citric acid

A

occurs naturally in citrus fruits

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7
Q

Carbonic acid

A

Used in fizzy drinks

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8
Q

Highest ph on the scale
And what might have this ph

A

14
Sodium hydroxide

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9
Q

Calcium hydroxide(lime water)

A

Treating over acidic soil

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10
Q

Magnesium hydroxide (milk of magnesia )

A

Makes Indigestion remedies

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11
Q

Sodium hydroxide (caustic soda )

A

Used to make oven cleaners and drain cleaners

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12
Q

Ammonia

A

Makes fluids that clean Silver and brass

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13
Q

Red cabbage in Acid and alkali

A

Pink in acid green in alkali

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14
Q

What other plant make indicators

A

Onions , beetroots or tomatoes

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15
Q

Methyl orange in acid and Alkali

A

Red in acid orange in alkali

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16
Q

Brothomyl blue in acid and alkali

A

Orange in acid and blue in alkali

17
Q

Phenolphthalein in acid and alkali

A

Colourless in acid and pink in alkali

18
Q

Litmus in acid and alkali

A

Red in acid and purple in alkali

19
Q

What number on the ph scale is neutral

A

7

20
Q

Less than 7 on the ph scale is

A

Acidic

21
Q

More than 7 on the ph scale is

A

Alkali

22
Q

0-2 on the ph scale in universal indicator is

A

Red in universal indicator

23
Q

3-4 on ph scale in universal indicator is

A

Orange

24
Q

5-6 on the ph scale in universal indicator is

A

Yellow

25
Q

7 on the ph scale in universal indicator is

A

Green

26
Q

8-9 on the Ph scale in universal indicator is

A

Green and blue

27
Q

10-11 on the ph scale in universal indicator is

A

Blue

28
Q

12-14 on the ph scale in universal indicator is

A

Purple

29
Q

Ph of 0-3 means the solution is

A

Strongly acidic

30
Q

Ph of 4-6 means the solution is

A

Weakly acidic

31
Q

Ph of 7 means the solutions is

A

Neutral

32
Q

Ph of 8-10 means that the solution is

A

Weakly alkaline

33
Q

Ph of 11- 14 means the solution is

A

Strongly alkaline

34
Q

A green colour withuniversal indicator would have a ph of

A

7

35
Q

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

A

3 and 4

36
Q

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

A

10 and 11

37
Q

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

A

O and 3

38
Q

What was the solid acid we used in this topic

A

We used citric acid