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N5 Lesson 1-3 Consolidation

Total questions: 44

Worksheet time: 44mins

Name
Class
Date
1.

Which ion determines a alkali?

a)

H+

b)

OH-

c)

OH+

d)

CO32-

2.
What is the pH of an extremely strong acid?
a)
pH 0
b)
pH 7
c)
pH 13
d)
pH 2
3.

Solutions that have more OH– ions than H+ ions are

a)

acids

b)

alkali

c)

enzymes

d)

neutral

4.

Solutions that have more H+ ions than OH- ions are

a)

acids

b)

alkali

c)

enzymes

d)

neutral

5.

Which has a pH below 7?

a)

Acid

b)

Alkali

c)

Water

6.

What other laboratory substance can you use to test if colourless substance is an acid or an alkali?

a)

Catalyst

b)

Salt

c)

Universal Indicator

d)

Water

7.

sulfuric acid

a)

HSO3

b)

H2SO3

c)

H2SO4

d)

H3SO4

8.

nitric acid

a)

HNO2

b)

HNO3

c)

H2NO4

d)

H2NO3

9.

hydrochloric acid

a)

HCl

b)

HClO

c)

H3ClO3

d)

HClO3

10.

Which of the following is a alkali?

a)

orange juice

b)

water

c)

vinegar

d)

dishwashing detergent

11.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
12.

Pure water has a pH of 7. Pure water _______.

a)

is a alkali

b)

is a neutral substance

c)

could be either an acid or a base

d)

is an acid

13.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
14.

On the pH scale what numbers are alkali?

a)

8-14

b)

0-7

c)

7

d)

1

15.
On the pH scale what numbers are acids?
a)
8-14
b)
0-7
c)
7
d)
1
16.
The pH scale measures...
a)
...the strength of an acid.
b)
...the strength of hydrogen ions.
c)
...the concentration of hydrogen ions.
d)
...the concentration of an acid
17.

Which of these pH values represent an acid?

a)

4

b)

8

c)

10

d)

12

18.

An acid is a solution that contains __________ ions dissolved in water.

a)

positive

b)

negative

19.
What colour is universal indicator in a strong alkali?
a)
Green
b)
Orange
c)
Purple
d)
Red
20.
What colour is universal indicator in a neutral solution?
a)
Green
b)
Orange
c)
Purple
d)
Red
21.
What colour is universal indicator in strong acid?
a)
Green
b)
Orange
c)
Purple
d)
Red
22.

Alkalis are source of

a)

hydrogen ions

b)

hydroxide ions

23.

Acids are source of

a)

hydrogen ions

b)

hydroxide ions

24.

Which of the following oxides will give an acid?

a)

Sulfur dioxide

b)

Sodium oxide

c)

Lithium oxide

d)

Potassium oxide

25.

What type of oxide would give an aacid when dissolved in water?

a)

Soluble Metal oxide

b)

Soluble non-metal oxide

c)

Insoluble Metal oxide

d)

Inoluble non-metal metal oxide

26.

What type of oxide would give an alkali when dissolved in water?

a)

Soluble Metal oxide

b)

Soluble non-metal oxide

c)

Insoluble Metal oxide

d)

Insoluble non-metal metal oxide

27.

Which oxide would give an alkali?

a)

Sulfur dioxide

b)

Nitrogen dioxide

c)

Carbon monoxide

d)

Potassium oxide

28.

What type of oxide(s) would give a neutral solution when added to water?

a)

Soluble Metal oxide

b)

Soluble non-metal oxide

c)

Insoluble Metal oxide

d)

Insoluble non-metal metal oxide

29.

Zinc oxide is insoluble in water. It will produce a/an

a)

acid

b)

alkali

c)

neutral solution

30.

Carbon dioxide is soluble in water. It will produce a/an

a)

acid

b)

alkali

c)

neutral solution

31.

Potassium oxide is soluble in water. It will produce a/an

a)

acid

b)

alkali

c)

neutral solution

32.

Iron oxide is insoluble in water. It will produce a/an

a)

acid

b)

alkali

c)

neutral solution

33.

Sodium oxide is soluble in water. It will produce a/an

a)

acid

b)

alkali

c)

neutral solution

34.

Selenium dioxide is soluble in water. It will produce a/an

a)

acid

b)

alkali

c)

neutral solution

35.

What metal reacted with oxygen when the product is zinc oxide?

a)

Tin

b)

Zinc

c)

Magnesium

d)

Silver

36.
Lithium
a)
Metal
b)
Non-metal
37.
Carbon
a)
Metal
b)
Non-metal
38.
Beryllium
a)
Metal
b)
Non-metal
39.
Fluorine
a)
Metal
b)
Non-metal
40.
Magnesium
a)
Metal
b)
Non-metal
41.
Phosphorus
a)
Metal
b)
Non-metal
42.

Why is water neutral?

4 lines
43.

How confident do you feel with the work from the last 3 lessons?

a)

0-50%

b)

50%-60%

c)

60%-70%

d)

70%-80%

e)

80% or above

44.

Is there anything you would like to go back over?

4 lines

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