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Practice question on chemistry

Total questions: 78

Worksheet time: 38mins

Name
Class
Date
1.

Acid react with metal to form salt and ______

a)

carbon dioxide

b)

hydrogen gas

c)

oxygen gas

d)

water

2.

Acid react with base to form salt and _____

a)

water

b)

hydrogen gas

c)

carbon dioxide gas

d)

oxygen gas

3.

acid reacts with carbonates to form salt, water and _____

a)

carbon dioxide gas

b)

oxygen gas

c)

hydrogen gas

d)

metal carbonate

4.

Salt is _______

a)

ionic compound

b)

covalent compound

5.

Salt is formed when ______ ion is displaced from the acid

a)

cation

b)

anion

6.

sodium hydroxide + hydrochloric acid gives (a)   salt

7.

calcium carbonate + hydrochloric acid gives (a)   salt

8.

ammonium carbonate + nitric acid gives (a)   salt

9.

silver oxide + nitric acid gives (a)   salt

10.

magnesium oxide + hydrochloric acid gives (a)   salt

11.

How does acid tastes

a)

Sweet

b)

Bitter

c)

Salty

d)

Sour

12.

Which acid is present in orange

a)

Tartaric acid

b)

Malic acid

c)

Citric acid

d)

Acitic acid

13.

Which acid is present in your stomach

a)

Naoh

b)

Sulpher

c)

Hcl

d)

Salt

14.

How does base tastes

a)

Sour

b)

Salty

c)

Bitter

d)

Sweet

15.

If the soil is acidic what we should do to make it neutral

a)

Add salt

b)

Add acid

c)

Add base

d)

Add sugar

16.

Acid + base =

(a)  

17.

Which is a natural indicator

a)

Phenoptyalin

b)

Sulpher

c)

Litmus

d)

Naoh

18.

Which is not a natural indicator

a)

Litmus

b)

Turmeric

c)

China rose

d)

Phenoptyalin

19.

When acid is added to blue litmus paper the colour is

a)

Red

b)

Blue

c)

Green

d)

Yellow

20.

If the ph value is 5 what is the substance

a)

Acid

b)

Base

c)

Neutral

d)

Sweet

21.

To which homologous series does this hydrocarbon belong?

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Alcohols

22.

Check all that apply: Which of the following molecules are ISOMERS?

a)

A and B

b)

A and C

c)

C and D

d)

B and D

23.

Which of the following molecules is an example of an unsaturated hydrocarbon?

a)

A

b)

B

c)

C

d)

D

24.

What is the IUPAC name of this hydrocarbon? *IUPAC is the naming system taught in class.

a)

1-butene

b)

2-butene

c)

1-pentyne

d)

2-pentyne

25.

Which of the following is the general formula for a ketone?

a)

A

b)

B

c)

C

d)

D

26.

To which class of organic compound does this molecule belong?

a)

halide

b)

ether

c)

alcohol

d)

amide

27.

What is the IUPAC name of this organic molecule?

a)

3-chlorobutane

b)

2-chlorobutane

c)

3-chloropentane

d)

2-chloropentane

28.

This reaction is an example of which type of organic reaction?

a)

addition

b)

fermentation

c)

polymerization

d)

substitution

29.

This reaction is an example of which type of organic reaction?

a)

addition

b)

fermentation

c)

polymerization

d)

substitution

30.

Which type of organic reaction produces SOAP?

a)

combustion

b)

fermentation

c)

saponification

d)

esterification

31.

Which homolgous series contains a C=C double bond?

a)

alkanes

b)

alkenes

c)

alcohols

d)

carboxylic acids

32.

Which homolgous series contains only C-C single bonds?

a)

alkanes

b)

alkenes

c)

alcohols

d)

carboxylic acids

33.

Which type of polymerisation uses only one monomer?

a)

addition polymerisation

b)

condensation polymerisation

34.

Which type of polymerisation uses two different monomers, both contain a functional group at each end?

a)

addition polymerisation

b)

condensation polymerisation

35.

-COOH is the functional group for...

a)

alcohols

b)

esters

c)

carboxylic acids

d)

amides

36.

-COO is the functional group for...

a)

alcohols

b)

esters

c)

carboxylic acids

d)

amides

37.

An alcohol can be __________________ to form a carboxylic acid

a)

oxidised

b)

reduced

c)

polymerised

d)

broken down

38.

Alcohols can be oxidised by...

a)

combustion

b)

freezing

c)

decomposition

d)

addition

39.

Name this carboxylic acid

a)

ethanoic acid

b)

prpoanoic acid

c)

butyl butanoate

d)

butanoic acid

40.

Name this ester

a)

ethyl ethanoate

b)

propyl ethanoate

c)

methyl ethanoate

d)

ethyl methanoate

41.

What catalyst is used in making esters?

a)

sodium hydroxide

b)

iron

c)

sulfuric acid

d)

lithium oxide

42.

Name the monomer that forms this polymer

a)

ethane

b)

ethanol

c)

ethene

d)

methene

43.

True or false? A catalyst is required for the hydration of ethene.

a)

True

b)

False

44.
General formula of Alkane is 
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
45.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
46.
Which of the following generally undergoes substitution reactions
a)
alkanes
b)
alkenes
c)
Alkanes and alkenes 
d)
algebras
47.
At which pipe: M or N are hydrocarbons with lower boiling points collected?
a)
M
b)
N
48.

C5H12 + Br2 --> C5H11Br + HBr

This reaction is called____________________.

a)

Substitution

b)

Addition

c)

Cracking

d)

Combustion

49.

Neutral solutions have a pH of

a)

pH of 2

b)

pH of 0

c)

pH of 7

d)

A neutral solution does not have a pH

50.

Which is NOT a property of a base?

a)

Tastes sour

b)

Slippery

c)

Bitter taste

d)

Turns red litmus to blue

51.

An acid’s pH is between :

a)

0 to 6

b)

7

c)

8-14

d)

6-14

52.

A base is a substance

a)

That releases OH- ions when dissolved in water

b)

That releases H+ ions when dissolved in water

c)

Does not release any ions when dissolved in water

d)

None of the above

53.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
54.

What is the pH of a solution with a hydrogen ion concentration of 6.2 x 10-5?

a)

5

b)

4.2

c)

1.6

d)

10.9

55.

What is the concentration of H+ in a solution with a pH of 3?

a)

1.0 x 10-3

b)

3.0 M

c)

10.3 M

d)

103 M

56.

What is the pH of a solution when [H+] = 7.9 x 10-11?

a)

2.4

b)

10.1

c)

7.5

d)

4.8

57.

Which of the following is the hydrogen ion concentration of an acid?

a)

9.2 x 10-14

b)

2.4 x 10-7

c)

1.0 x 10-8

d)

5.7 x 10-11

58.
Strong acids and bases...
a)
do not break apart into ions (non-electrolyte)
b)
partially break apart into ions (weak electrolyte)
c)
completely break apart into ions (non-electrolyte)
d)
completely break apart into ions (strong electrolyte)
59.
What are the weak acids and bases?
a)
all acids and bases are weak
b)
if not classified as strong, the acid/base is considered weak
c)
all acids and bases are strong
d)
there are more strong acids and bases than there are weak acids/bases
60.
What are the formulas for the following?
--hydrochloric acid--
--hydrobromic acid--
--hydroiodic acid--
a)
HClO3, HBrO3, HIO3
b)
HCl, HBr, HI
c)
HClO4, HBrO4, HIO4
d)
HClO, HBrO, HIO
61.

Which of the following is NOT a strong acid

a)

Sulfuric acid

b)

Hydrochloric acid

c)

Perchloric acid

d)

Hydrofluoric acid

62.

Which of the following is a weak acid

a)

HClO4HClO_4

b)

H2SH_2S

c)

HNO3HNO_3

d)

HBr

63.

Which of the following is NOT a strong base

a)

Be(OH)2Be\left(OH\right)_2

b)

KOHKOH

c)

KOH

d)

NaOH

64.

Neutral solutions have a pH of

a)

pH of 2

b)

pH of 0

c)

pH of 7

d)

A neutral solution does not have a pH

65.

Which is NOT a property of a base?

a)

Tastes sour

b)

Slippery

c)

Bitter taste

d)

Turns red litmus to blue

66.

An acid’s pH is between :

a)

0 to 6

b)

7

c)

8-14

d)

6-14

67.

A base is a substance

a)

That releases OH- ions when dissolved in water

b)

That releases H+ ions when dissolved in water

c)

Does not release any ions when dissolved in water

d)

None of the above

68.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
69.

What is the pH of a solution with a hydrogen ion concentration of 6.2 x 10-5?

a)

5

b)

4.2

c)

1.6

d)

10.9

70.

What is the concentration of H+ in a solution with a pH of 3?

a)

1.0 x 10-3

b)

3.0 M

c)

10.3 M

d)

103 M

71.

What is the pH of a solution when [H+] = 7.9 x 10-11?

a)

2.4

b)

10.1

c)

7.5

d)

4.8

72.

Which of the following is the hydrogen ion concentration of an acid?

a)

9.2 x 10-14

b)

2.4 x 10-7

c)

1.0 x 10-8

d)

5.7 x 10-11

73.
Strong acids and bases...
a)
do not break apart into ions (non-electrolyte)
b)
partially break apart into ions (weak electrolyte)
c)
completely break apart into ions (non-electrolyte)
d)
completely break apart into ions (strong electrolyte)
74.
What are the weak acids and bases?
a)
all acids and bases are weak
b)
if not classified as strong, the acid/base is considered weak
c)
all acids and bases are strong
d)
there are more strong acids and bases than there are weak acids/bases
75.
What are the formulas for the following?
--hydrochloric acid--
--hydrobromic acid--
--hydroiodic acid--
a)
HClO3, HBrO3, HIO3
b)
HCl, HBr, HI
c)
HClO4, HBrO4, HIO4
d)
HClO, HBrO, HIO
76.

Which of the following is NOT a strong acid

a)

Sulfuric acid

b)

Hydrochloric acid

c)

Perchloric acid

d)

Hydrofluoric acid

77.

Which of the following is a weak acid

a)

HClO4HClO_4

b)

H2SH_2S

c)

HNO3HNO_3

d)

HBr

78.

Which of the following is NOT a strong base

a)

Be(OH)2Be\left(OH\right)_2

b)

KOHKOH

c)

KOH

d)

NaOH

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