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Chemistry revision (solubility and Molarity)

Total questions: 46

Worksheet time: 24mins

Name
Class
Date
1.

Molar mass of NaOH is ______________________

a)

40 grams/mol

b)

50 grams/mol

c)

45 grams/mol

d)

38 grams/nol

2.

Who is this?

a)

Pele

b)

Ronaldo Nazario

c)

Diego Maradona

d)

Wayne Rooney

3.

The elements present in sodium hydroxide are

a)

sodium oxygen and hydrogen

b)

sodium , oxygen and chlorine

c)

sodium, oxygen and boron

d)

sodium, oxygen and carbon

4.

كم عددُ سورِ القرآن الكريمِ؟

a)

116 سورة

b)

112 سورة

c)

114 سورة

d)

118 سورة

5.
Which sweet tea would you expect to taste the sweetest?
a)
1M
b)
3M
c)
3.1M
d)
2.5M
6.
where is pele from
a)
spain
b)
argentina
c)
brazil
d)
usa
7.
True or False? The higher the concentration of a solution the less solutes it has in it.
a)
True
b)
False
8.

Warsaw is the capital of....

a)

Ukraine

b)

Poland

c)

Lithuania

d)

Georgia

9.

Molarity is measured in _____.

a)

moles per g.

b)

mols per L.

c)

moles per mm.

d)

moles per mL.

10.

Who is this

a)

Joa felix

b)

Joau felix

c)

Benifica

11.

The _____ is the thing being dissolved.

a)

solute

b)

solvent

12.

a)

De jong

b)

Goretzka

c)

Khedira

13.
What is the mass of 0.75 moles of (NH4)3PO4?
a)
101.75 g
b)
121.75 g
c)
111.75 g
d)
131.75 g
14.

ما هي السورة التي ذكر فيها البسملة مرتين ؟

a)

سورة النّساء

b)

سورة غافر

c)

سورة هود

d)

سورة النمل

15.

What is a solvent?

a)

The substance that does the dissolving in a solution.

b)

The substance that is being dissolved in a solution.

c)

The mixing of different substances.

d)

The process in which neutral molecules lose or gain electrons.

16.

Who is he?

a)

sterling

b)

simone

c)

Augurero

d)

pogba

17.

A solution that is considered unsaturated would _____.

a)

be dark in color.

b)

have a strong scent.

c)

have a large amount of solute.

d)

have a small amount of solute.

18.
a)

Thailand

b)

The Philippines

c)

Mexico

19.
How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?
a)
1074 mol
b)
0.069 mol
c)
1.07 mol
d)
62.7 mol
20.

What is the capital of Romania?

a)

Bucharest

b)

Budapest

c)

Sofia

d)

Belgrade

21.

WHO IS A MUSLIM PLAYER

a)
b)
c)
d)
22.

What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)

a)

0.8 M

b)

1.5M

c)

3.0M

d)

6.0M

23.

who is he?

a)

messi

b)

neymar

c)

Kloop

d)

gaurdiolla

24.
The concentration of a mixture can be increased in which of the following ways?
a)
Heating the mixture
b)
Adding more water “solvent”
c)
Adding more powder “solute”
d)
Stirring the mixture
25.
a)

Vietnam

b)

China

c)

Taiwan

26.

Which of the following will produce crystals if cooled or disturbed?

a)

unsaturated solution

b)

saturated solution

c)

supersaturated solution

d)

all of the above

27.
What country is this?
a)
Hungary
b)
South Africa
c)
Canada
d)
Russia
28.

من هو الذي لقب بسيف الله المسلول

a)

خالد بن الوليد

b)

علي بن ابي طالب

c)

عثمان بن عفان

29.

What is the percent by mass of a solution made by dissolving 20.0 g of NaCl into 180.0 g of water?

a)

10.0 %

b)

11.1 %

c)

80.0 %

d)

20.0 %

30.
a)

Colombia

b)

Germany

c)

Ecuador

d)

Nigeria

31.

What is the percent by mass of a solution made by dissolving 10.0 g of NaCl into 180.0 g of water?

a)

5.26 %

b)

5.56 %

c)

180.0 %

d)

20.0 %

32.
a)

Spain

b)

Chile

c)

Italy

d)

Nepal

33.
Which technique could increase or speed up the rate of dissolving?
a)
Allowing the mixture to settle
b)
Stirring the mixture
c)
Adding more powder
d)
Adding more water
34.

Which two players played for Roma and are now in Liverpool?

a)

Henderson&Fabinho

b)

Salah&Alisson

c)

Robertson&Mane

d)

Virgil&Matip

35.

What is the capital of Brazil

a)

Brasilia

b)

Sao Paulo

c)

Rio de Janeiro

d)

Porto Allegre

36.

How does this factor affect the solubility of a SOLID?


Increasing the air pressure

a)

More soluble

b)

Less soluble

c)

No effect

37.

اول مؤذن في الأسلام

a)

ابو بكر رضي الله عنه

b)

عمرو بن العاص رضي الله عنه

c)

بلال بن رباح رضي الله عنه

38.

How does this factor affect the solubility of a SOLID?


Increasing temperature

a)

More soluble

b)

Less soluble

c)

No effect

39.
a)

Austria

b)

Vietnam

c)

Nicaragua

d)

Ireland

40.

How does this factor affect the solubility of a GAS?


Increasing air pressure

a)

More soluble

b)

Less soluble

c)

No effect

41.

في أيّ سورة من سور القرآن الكريم توجد آية الكرسي ؟

a)

سورة آل عمران

b)

سورة إبراهيم

c)

سورة البقرة

d)

سورة المائدة

42.

How does this factor affect the solubility of a GAS?


Increasing temperature

a)

More soluble

b)

Less soluble

c)

No effect

43.
a)

Denmark

b)

Egypt

c)

Myanmar

d)

Guatemala

44.
True or false: The smaller the particle size(large surface area per unit volume) means...
a)
increase in solubility
b)
decrease in solubility
45.

WHICH FOOTBALL TEAM IS FROM AMERICA

a)
b)
c)
d)
46.

What is the capital of Scotland?

a)

Edinburgh

b)

Glasgow

c)

Aberdeen

d)

Falkirk

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