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C8 Acids Bases and Tests for Ions / Gas

Total questions: 70

Worksheet time: 55mins

Name
Class
Date
1.

Which of the following is the correct range of numbers for ACIDS?

a)

1-7

b)

0-5

c)

0-7

d)

0-6

2.

Which number is neutral on the pH scale?

a)

5

b)

6

c)

7

d)

8

3.

Which of these substances would be NEUTRAL?

a)

Water

b)

Lemon Juice

c)

Drain Cleaner

d)

Milk

4.

Which of the following would be a base?

a)

Water

b)

Drain Cleaner

c)

Lemon Juice

d)

Milk

5.

Which of the following IONS are there a lot of in bases?

a)

H2O

b)

H3O

c)

OH-

6.
An acid is a substance that releases
a)
H+ is water
b)
H- in water
7.

Acids typically taste

a)

sour

b)

sweet

c)

both

8.
Which of the following contains acids?
a)
Milk
b)
Batteries
c)
Ammonia
d)
Chalk
9.
bases are slippery
a)
true
b)
false
10.
On the pH scale higher numbers indicate
a)
acids
b)
bases
11.
Neutralization happens when acids and base combine
a)
True
b)
false
12.
Litmus paper is an indicator of acids and bases, it turns red for bases.
a)
True
b)
false
13.
A pH of 14 is a .....
a)
strong acid
b)
weak acid
c)
Strong base
d)
Weak base
14.
Is this substance acidic, basic, or neutral?
a)
Acidic
b)
Basic
c)
Neutral
15.
Holly has an unknown substance in a beaker. She wants to determine the relative pH of the unknown substance. She places a piece of blue litmus paper into the substance, and the litmus paper stays blue.
The substance in the beaker
a)
is a base.
b)
has a neutral pH.
c)
is an acid.
d)
does not have a pH.
16.
Which of the following statements is correct?
a)
Blue litmus paper turns red when placed in a base.
b)
Red litmus paper turns blue when placed in a base.
c)
Blue litmus paper stays blue when placed in an acid.
d)
Red litmus paper stays red when placed in a base.
17.
Which statement is true?
a)
Acids start with H and bases end with OH
b)
Acids start with OH and bases end with H
c)
Acids end with H and bases start with OH
d)
Acids end with OH and bases start with H
18.
What do acids do to red litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
19.
What do bases do to red litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
20.
What do bases do to blue litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
21.
What do acids do to blue litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
22.
What do acids do to universal indicator?
a)
Red 
b)
Blue
c)
Yellow
d)
Green
23.
Which of the following is a positive for  an acid
a)
Red Litmus paper staying red
b)
Red Litmus paper turning blue
c)
Phenolphthalein being purple
d)
Bromothymol blue turning blue
24.
Which of the following is a positive for  an base
a)
Red Litmus paper staying red
b)
Blue Litmus paper staying blue
c)
Phenolphthalein being clear
d)
Bromothymol blue turning yellow
25.
If the same solution causes red litmus paper to stay red and blue litmus paper to stay blue it is...
a)
Acidic 
b)
Basic
c)
Neutral
d)
Acidic & Basic
26.
BASE + ACID ----> SALT +?
a)
water
b)
oxygen
c)
hydrogen ion
d)
hydroxide ion
27.
A neutralisation reaction is a reaction between 
a)
Acid and a Base 
b)
Acid and water 
c)
Base and water 
d)
None of the above 
28.
An acid reacts with metal to produce 
a)
Carbon dioxide 
b)
Hydrogen gas
c)
Hydrogen gas and water 
d)
Salt and hydrogen gas 
29.
An acid reacts with a metal carbonate to produce 
a)
Salt, water and hydrogen gas
b)
Salt, water and carbon dioxide
c)
Limewater
d)
Salt and water 
30.

What is the colour of the Universal indicator in a weak acid?

a)

Red

b)

Yellow

c)

Green

d)

Blue

31.

Metals and acids react to form...

a)

Salt and hydrogen

b)

Salt and water

c)

Carbon dioxide, salt and water

d)

Hydrogen only

32.

Magnesium + Hydrochloric acid → ____________ + ___________

a)

Magnesium chloride + water

b)

Magnesium hydrochlorite + hydrogen

c)

Magnesium chloride + hydrogen

d)

Carbon dioxide + water + magnesium chloride

33.

Nitric acid reacts with metals to make which type of salt?

a)

Nitrite

b)

Nitrate

c)

Nitroxide

d)

Knitting patterns

34.

Metal carbonates react with acid to form

a)

Salt, carboxylic acid and water

b)

Salt and carbonated water

c)

Salt, carbon dioxide and water

d)

Salt and hydrogen

35.

Calcium carbonate + sulphuric acid →

a)

Calcium hydroxide, carbon dioxide and water

b)

Acid rain

c)

Calcium sulphate and hydrogen

d)

Calcium sulphate, carbon dioxide and water

36.

What is the name of the salt produced when Zinc carbonate react with sulfuric acid?

a)

Zinc carbonate

b)

Zinc sulfate

c)

Zinc sulfuric

37.

What is the name of the salt produced when Zinc carbonate react with nitric acid?

a)

Zinc carbonate

b)

Zinc nitrate

c)

Zinc nitric

38.

What is the name of the salt produced when Zinc carbonate react with hydrochloric acid?

a)

Zinc carbonate

b)

Zinc chloride

c)

Zinc chloric

39.

What is the name of the salt produced when iron carbonate react with hydrochloric acid?

a)

iron carbonate

b)

iron chloride

c)

iron chloric

40.

Sodium carbonate + nitric acid ==>

*you can choose more than one answer

a)

sodium nitrate

b)

sodium carbonate

c)

carbon dioxide

d)

water

e)

hydrogen

41.

magnesium carbonate + nitric acid ==>

*you can choose more than one answer

a)

magnesium nitrate

b)

magnesium carbonate

c)

carbon dioxide

d)

water

e)

hydrogen

42.
What type of reaction is the following: 
HCl  + Zn --> ZnCl2 + H2
a)
Neutralisation
b)
Acid and a metal 
c)
Acid and a carbonate 
d)
Ionic 
43.
Complete the following reaction:
Sulphuric acid + sodium carbonate
--> 
a)
Carbon dioxide + water 
b)
calcium carbonate + water + carbon dioxide 
c)
Sodium sulphate + water + carbon dioxide 
d)
Sodium chloride + water + carbon dioxide 
44.
Complete the following reaction:
Hydrochloric acid + magnesium hydroxide --> 
a)
Magnesium chloride + water 
b)
Magnesium + water
c)
Magnesium chloride + hydrogen gas 
d)
Magnesium chloride + water + carbon dioxide 
45.
Colour of precipitate when sodium hydroxide is added to a copper(II) ion solution.
a)
White
b)
Brown
c)
Green
d)
Blue
46.
Colour of precipitate when sodium hydroxide is added to a iron(II) ion solution.
a)
White
b)
Brown
c)
Green
d)
Blue
47.
Colour of precipitate when sodium hydroxide is added to a iron(III) ion solution.
a)
White
b)
Brown
c)
Green
d)
Blue
48.
Test for bromide ions is....
a)
Add acid
b)
Add barium chloride
c)
Add silver nitrate
49.
Test for carbonate ions is....
a)
Add acid
b)
Add barium chloride
c)
Add silver nitrate
50.
Test for sulphate ions is....
a)
Add acid
b)
Add barium chloride
c)
Add silver nitrate
51.
NH₄⁺¹
a)
nitrogen hydride
b)
ammonia
c)
ammonium
d)
nitrogen hydrogen
52.
What is a precipitate?
a)
an insoluble reactant formed during a chemical reaction
b)
an insoluble product formed during a chemical reaction
c)
a soluble solvent in a saturated solution
d)
a soluble solute in a saturated solution
53.

Test & result for carbonate ions is....

a)

Add hydrochloric acid and fizzes

b)

Add barium chloride, white ppt

c)

Add silver nitrate, yellow ppt

d)

Flame test, orange

e)

Add sulphuric acid and see hydrogen

54.

Test for sulphate ions is....

a)

Add hydrochloric acid

b)

Add barium chloride or barium nitrate

c)

Add silver nitrate

d)

Add sodium hydroxide

e)

Flame test

55.
When Copper sulfate is mixed with barium chloride
a)
white ppt
b)
Blue ppt
c)
lilac colour
d)
no change
56.
When Copper sulfate is mixed with sodium hydroxide
a)
white ppt
b)
Blue ppt
c)
lilac colour
d)
no change
57.

Test for oxygen

a)

Squeaky pop test

b)

Blown out splint relights

c)

Flame test

d)

breath it in

e)

Bubble gas through limewater and turns cloudy

58.

Test for carbon dioxide

a)

Squeaky pop test

b)

Blown out splint relights

c)

Flame test

d)

breath it in

e)

Bubble gas through limewater and turns cloudy

59.

What am I?

Sliver nitrate gave a yellow precipitate

Sodium hydroxide gave a brown precipitate

a)

Iron(III) iodide

b)

Iron(II) iodide

c)

Iron(III) Sulphate

d)

Iron(II) Sulphate

e)

Sodium iron(II)

60.

A few drops of sodium hydroxide solution was added to a metal salt solution.

A dark green gelatinous precipitate was formed.

Which metal ion (cation) was present in the salt solution?

a)

iron(III) ion, Fe3+

b)

iron(II) ion, Fe2+

c)

copper(II) ion, Cu2+

d)

zinc ion, Zn2+

61.

A few drops of sodium hydroxide solution was added to a metal salt solution. A brown gelatinous (jelly-like) precipitate was formed.


Which metal ion (cation) was present in the salt solution?

a)

copper(II) ion, Cu2+

b)

zinc ion, Zn2+

c)

iron(III) ion, Fe3+

d)

iron(II) ion, Fe2+

62.
Carbonate
a)
Cr2O4-2
b)
CH3COO-
c)
CO3-2
d)
CN-
63.
Sulfate
a)
S2O3-2
b)
O2-2
c)
SO4-2
d)
SO3-2
64.
Flame colour for sodium ions
a)
Blue
b)
Red
c)
Green
d)
Yellow
65.
Flame colour for lithium ions
a)
Blue
b)
Red
c)
Green
d)
Yellow
66.
Metal ion with a lilac flame
a)
Na+
b)
K+
c)
Na2+
d)
K2+
67.
Test for sulphate ions is....
a)
Add acid
b)
Add barium chloride
c)
Add silver nitrate
68.
Test for carbonate ions is....
a)
Add acid
b)
Add barium chloride
c)
Add silver nitrate
69.

Carbon dioxide can be tested by using

a)

a glowing splint

b)

a burning splint

c)

hydrogencarbonate indicator

d)

lime water

70.

Water can be tested by using a piece of dry

a)

chloride cobalt paper

b)

coball chloride paper

c)

cobalt chloride paper

d)

chlobalt cloride paper

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