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IG2metalacidsacid/indicator

Total questions: 47

Worksheet time: 44mins

Name
Class
Date
1.
An acid reacts with metal to produce 
a)
Carbon dioxide 
b)
Hydrogen gas
c)
Hydrogen gas and water 
d)
Salt and hydrogen gas 
2.
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 
3.
Which salt will be produced if magnesium react with hydrochloric acid?
a)
Magnesium oxide
b)
Magnesium sulfate
c)
Magnesium sulfide
d)
Magnesium chloride
4.

Which of the following metals do not react with acid?

a)

copper

b)

silver

c)

gold

d)

magnesium

5.

What are the products formed when you react zinc with sulfuric acid?

a)

zinc sulfate and hydrogen

b)

zinc sulfate and water

c)

zinc sulfide and hydrogen

6.

Iron + hydrochloric acid -->

a)

Iron chloride + hydrogen

b)

Iron chloride + carbondioxide

c)

Iron hydroxide + acid

d)

Iron chloric + hydrogen

7.

Zinc + sulfuric acid -->

a)

Zinc sulfide + hydrogen

b)

Zinc sulfate + hydrogen

c)

Zinc sulfate + Water +Carbon dioxide

d)

Zinc sulfide + water

8.

Neutral solutions have a pH of:

a)

0

b)

1

c)

7

d)

14

9.
turns blue litmus paper red
a)
acid
b)
base
10.
neutral
a)
pH 1
b)
pH 4
c)
pH 7
d)
pH 10
11.

A(n) ______ is a substance with a pH greater than 7

a)

acid

b)

base

c)

compound

d)

metal

12.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
13.

The pH scale is a range from:

a)

1-7

b)

0-14

c)

1-5

d)

1-14

14.

What is the only substance with a neutral pH of 7?

a)

Milk

b)

Orange Juice

c)

Pure water

d)

Bleach

15.

Tastes sour

a)

acid

b)

base

c)

neutral

d)

both acids & bases

16.

Tastes bitter.

a)

Acids

b)

Bases

c)

None of the following

d)

Acids & Bases

17.

These can burn you if they are strong enough.

a)

Acids

b)

Bases

c)

Water

d)

Acids & Bases

18.

Aluminium is more reactive than ....

a)

Calcium and Zinc

b)

Sodium and Gold

c)

Magnesium and Copper

d)

Lead and Iron

19.

Complete the word equation below.


Magnesium + oxygen --> .....

a)

Magnesium

b)

Magnesium oxide

c)

Oxides

d)

Magnesium oxide + water

20.

Which metal reacts fastest with acid?

a)

Copper

b)

Iron

c)

Zinc

d)

Magnesium

21.
Acid + Metal --> ?
a)
Salt + Water
b)
Salt + Hydrogen
c)
Salt
d)
Hydrogen
22.
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 
23.
Which is the stronger acid?
a)
pH 1
b)
pH 4
c)
pH 8
d)
pH 13
24.
An extremely strong base would have a pH of:
a)
1
b)
7
c)
9
d)
14
25.

What is the reactant when the product is Magnesium and Copper Sulphate

a)

Magnesium copperate+ Sulfur

b)

Copper Magnesised sulphate

c)

Magnesium Sulphate + Copper

d)

Magnesium Sulphide + Copper

26.

Name the products of the reaction between magnesium and hydrochloric acid?

a)

magnesium chloride and water

b)

magnesium chloride, water, and carbon dioxide

c)

magnesium chloride and oxygen gas

d)

magnesium chloride and hydrogen gas

27.
When a metal reacts with oxygen gas, the product is ...
a)
metal hydroxide
b)
metal oxide
c)
metal oxide and oxygen
d)
metal hydroxide and hydrogen gas
28.
Complete the equation below. 
Iron + Oxygen --> 
a)
Iron oxygen
b)
Iron oxide
c)
Iron oside
d)
Ion oxide
29.

What is the product when zinc reacts with hydrochloric acid?

a)

Zinc oxide + Hydrogen

b)

Zinc sulfate + Oxygen

c)

Zinc chloride + Hydrogen

d)

Zinc nitrate + Oxygen

30.

Magnesium reacts ____ with water.

a)

quickly

b)

slowly

c)

equally

d)

spontaneously

31.

Choose the correct word equation for Calcium and water.

a)

calcium + water ---> calcium hydroxide + hydrogen

b)

calcium + water ---> calcium hydroxide + water

c)

calcium + water ---> calcium oxide + hydrogen

d)

calcium + water ---> calcium carbonate + hydroxide

32.

Which of these pH values represent an acid?

a)

4

b)

8

c)

10

d)

12

33.

Which of the following pH values represents a base?

a)

2.1

b)

4.6

c)

6.8

d)

8.1

34.

Ocean water is only slightly basic. What might its pH value be?

a)

5

b)

8

c)

12

d)

2

35.

Which solution can turn phenolphthalein pink?

a)

NaOH(aq)

b)

CH3COOH(aq)

c)

CH2OH(aq)

d)

HCl(aq)

36.

Which solution would turn litmus red?

a)

KOH(aq)

b)

NaCl(aq)

c)

HCl(aq)

d)

NH3(aq)

37.

Which solution would turn litmus blue?

a)

HCl(aq)

b)

CH3COOH(aq)

c)

H2SO3(aq)

d)

NH3(aq)

38.

Phenolphthalein has a pink color in a solution that has a pH of

a)

5

b)

11

c)

1

d)

7

39.
Bases will turn litmus paper __________, while acids will turn litmus paper __________.
a)
blue.....red
b)
red.....blue
c)
pink.........colourless
d)
colourless..........pink
40.
An indicator will ______________ when it is in contact with an acid or base
a)
Bubble
b)
Form a new substance
c)
Change color
d)
Stay the same color
41.
The pH of a strong acid would be:
a)
1-2
b)
5-6
c)
8-9
d)
12-13
42.
The pH of a strong base would be:
a)
1-2
b)
5-6
c)
8-9
d)
13-14
43.

Litmus paper changes colour to ___________ in an alkaline.

a)

Blue

b)

Green

c)

Yellow

d)

Red

44.

Phenolphthalein changes colour to ___________ in an acid.

a)

Colourless

b)

Blue

c)

Pink

d)

Yellow

45.

Phenolphthalein changes colour to ___________ in an alkaline.

a)

Colourless

b)

Blue

c)

Pink

d)

Yellow

46.

Methyl Orange changes colour to ___________ in an acid.

a)

Green

b)

Blue

c)

Red

d)

Yellow

47.

Methyl Orange changes colour to ___________ in an alkaline.

a)

Green

b)

Blue

c)

Red

d)

Yellow

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