Brainscape's Knowledge GenomeTM

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


See full index

science > chemistry > Flashcards

chemistry Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

what is the pH of acids?

A

less than 7

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

what is the pH of alkalis?

A

more than 7

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

What has a pH equal to 7?

A

pure water & neutral solution

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

what HAPPENS in a neutralizing reaction?

A

the pH of the acid moves up towards 7. If an alkali is being used as the neutraliser its pH moves down towards 7.

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

what is an EXAMPLE of neutralisation?

A

The reaction of hydrogen ions H+ (aq) to form water

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

what IS a neutralisation reaction?

A

is the reaction of an acid with neutralisers such as alkalis, carbonates and metal oxides, which produces water and a salt.

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

What happens to the pH of an ACID as it is neutralised?

A

The pH of an acid increases towards 7 in a neutralisation reaction.

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

What happens to the pH of an ALKALI as it is neutralised?

A

The pH of an alkali decreases towards 7 in a neutralisation reaction.

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

alkali + acid →

A

salt + water

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

metal oxide + acid →

A

salt + water

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

metal carbonate + acid →

A

salt + water + carbon dioxide

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

hydrochloric →

A

chloride

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

sulpheric →

A

sulphate

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

nitric →

A

nitrate

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

hydrochloric acid →

A

HCl

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

nitric acid →

A

HNO3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

sulfuric acid →

A

H2 SO4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

phosphoric acid →

A

H3 PO4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

carnonic acid →

A

H2 CO3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

acetic acid →

A

HC2 H3 O2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

catalyst

A

increases the rate of a chemical reaction without being consumed by reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

exothermic

A

reaction that releases heat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

endothermic

A

absorbs heat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

precipitate

A

a solid formed from 2 solution

25
Q

solution

A

being dissolved

26
Q

solute

A

a dissovled substance

27
Q

insoluble

A

cannot be dissolved

28
Q

aqueous

A

dissolved in water

29
Q

reactant

A

starting material in a chemical reaction

30
Q

product

A

substance produced in a chemical reaction

31
Q

penta

A

5

32
Q

hexa

A

6

33
Q

hepta

A

7

34
Q

octa

A

8

35
Q

nona

A

9

36
Q

deca

A

10

37
Q

when an acid is dissovled in water we get a …

A

acidic solution

38
Q

when a base is dissolved in water we get an…

A

alkaline and a alkaline solution

39
Q

indicators

A

substances that change color when added to alkaline or acidic solutions

40
Q

red & blue litmus is ____ in a ACIDIC solution

A

red

41
Q

red litmus paper is ____ in a NEUTRAL solution

A

red

42
Q

blue litmus paper is ______ in a NEUTRAL solution

A

blue

43
Q

red litmus paper is _______ in a ALKALINE solution

A

blue

44
Q

blue litmus paper is ______ in a ALKALINE solution

A

blue

45
Q

testing for gases O2

A

a glowing solint will reigninte in the presence of oxygen

46
Q

testing for gases H2

A

an immediate combustion takes place that you can hear

47
Q

testing for gases CO2

A

a lit splint will be extinguished

48
Q

sodium hydroxide - base

A

NaOH

49
Q

magnesium hydroxide - base

A

Mg(OH)2

50
Q

calcium hydroxide - base

A

Ca(OH)2

51
Q

ammonia

A

NH3

52
Q

sodium bicarbonate

A

NaHCO3

53
Q

when an acid is neutralized it forms a…

A

salt

54
Q

what do pH scales do?

A

used to measure acidity and alkalinity

55
Q

when acids are dissolved in water they form…

A

hydrogen ions

56
Q

when alkalines are dissolved in water they form…

A

hydroxide ions

57
Q

the closer to pH 0 you go, the more _____

A

acidic a solution is

58
Q

the closer to pH 14 you go, the more _______

A

alkaline a solution is

science (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions