Brainscape's Knowledge GenomeTM

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


See full index

IGCSE CHEMISTRY > Untit 16 - Acids, Bases, & Salts > Flashcards

Untit 16 - Acids, Bases, & Salts Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Chemistry flashcards Periodic Table flashcards Chemistry 101 flashcards Organic Chemistry 101 flashcards
1
Q

Litmus indicator

A

Red in acid
Purple in neutral
Blue in alkali

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

Methyl orange

A

Red in acid
Orange in neutral
Yellow in alkali

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

Phenolphthalein

A

Colourless in acid
Colourless in neutral
Pink in alkali

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

Strong acid

A

pH 0-2

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

Medium acids

A

pH 3-4

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

Weak acid

A

pH 5-6

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

Neutral

A

pH 7

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

Weak alkali

A

pH 8-9

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

Medium alkalis

A

pH 10-11

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

strong alkali

A

pH 12-14

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

Universal indicator in strong acid

A

Red

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

Universal indicator at pH neutral

A

Green

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

Universal indicator in strong alkali

A

Blue/black

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

Define an acid

A

An acid is a substance when, in aqueous solution, is a source of H+ ions

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

Define an alkali

A

An alkali is a soluble base, in aqueous solution they are a source of OH- ions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Solubility of all common sodium salts

A

Soluble

17
Q

Solubility of all common potassium salts

A

Soluble

18
Q

Solubility of all common ammonium salts

A

Soluble

19
Q

Solubility of all nitrates

A

Soluble

20
Q

Solubility of all common chlorides

A

Soluble

Except silver chloride which is insoluble

21
Q

Solubility of all common sulfates

A

Soluble

Except barium and calcium sulfates are insoluble

22
Q

Solubility of all common carbonates

A

Insoluble

Except sodium, potassium, and ammonium carbonate which are soluble

23
Q

Preparation of soluble salts (3 methods)

A

Metal + acid –> salt + hydrogen

Base + acid –> salt + water

Carbonate + acid –> salt + water + carbon dioxide

24
Q

What is a base

A

A base is a metal oxide or metal hydroxide

25
Q

Preparation of insoluble salts

A

To prepare an insoluble salt two aqueous solutions are mixed together, one containing the cation and one containing the anion. The insoluble salt precipitates out. It is filtered off and the residue is washed with distilled water and dried on filter paper

IGCSE CHEMISTRY (16 decks)

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