Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chemistry > C2F - pH & Salts Made > Flashcards

C2F - pH & Salts Made Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
0
Q

What colour would the UI turn when in water and why ?

A

Green because it’s neutral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

What colour does universal indicate turn when an acid is present ?

A

Red
Orange
Yellow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

When UI turns purple or blue what thing is present ?

A

Alkali

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Name an acid ?

A

Stomach acid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Name an alkali ?

A

Washing up liquid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What makes the dye in UI change colour ?

A

The pH of a substance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What can UI be used for ?

A

Estimating the pH of a substance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Some indicators can show a sudden colour change. Give an example ?

A

Litmus turns red in acid and blue in alkali’s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How is Universal Indicator different to litmus ?

A

It shows a gradual colour change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

If something is an acid what must it’s pH be ?

A

Less than 7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What ions do acids form in water ?

A

H+

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the pH determined by in an acid ?

A

The concentration of H+ ions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What would we call something with a pH greater than 7 ?

A

A base

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

An alkali is a base that is what in water ?

A

Soluble

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What ions do alkali’s form in water ?

A

OH-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the reaction between an acid and a base called ?

A

Neutralisation

16
Q

What’s the word equation for neutralisation ?

A

Acid + Base = Salt + Water

17
Q

When an acid neutralises a base. What pH will the product be and why ?

A

7 because it’s neutral

18
Q

What are metal oxides and metal hydroxides ?

A

Bases

19
Q

When you add an acid to a metal oxide or metal hydroxide what will it make every time ?

A

Salt & Water

20
Q

Explain how the salts are named in a neutralisation reaction ?

A

The name of the acid is combined with the name of the metal oxide

21
Q

What is the different product produced when we add acids and carbonates ?

A

Carbon dioxide

22
Q

What equals water salt AND carbon dioxide ?

A

Acids and carbonates

23
Q

Finish the equation

—- + Ammonia = ——– Salts

A

Acid

Ammonium

Chemistry (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions