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CHAPTER 1 INTRODUCTION TO CHEMISTRY

Total questions: 18

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

1.25 km is equal to

a)

125 m

b)

125 000 cm

c)

1 250 cm

d)

1 250 000 000 nn

2.

2.53 L is equal to

a)

0.253 kl

b)

25 300 ml

c)

253 ml

d)

2530 ml

3.
Which unit of measurement is greatest?
a)
decimeters
b)
millimeters
c)
centimeters
d)
kilometers
4.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
d)
useful to human beings.
5.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

6.
What is an example of a mixture?
a)
iron
b)
ice
c)
soil
d)
gold
7.
Jorge prepared a drink and salad for dinner. The chart lists the ingredients for both.
Using the information in the chart, which statement is the BEST description of the drink and salad?
a)
The salad and fruit drink are both mixtures.
b)
The salad and the fruit drink are both solutions.
c)
The fruit drink is a mixture because the ingredients can't be separated.
d)
The salad is a solution because the ingredients can't be separated.
8.
A pure substance that cannot be broken down into other substances by chemical or physical means. 
a)
compound          
b)
atom
c)
mixture 
d)
element
9.
A mixture that is uniform and well mixed is _____.
a)
homogeneous
b)
hetergeneous
c)
pure substance
d)
compoud
10.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

11.
What is the density of a liquid that has a mass of 27g and a volume of 30ml?
a)
0.9 g/ml
b)
3 g/ml
c)
57 g/ml
d)
810 g/ml
12.

Name an extensive property

a)

Color

b)

Mass

c)

Odor

d)

Luster

13.

A 5 mL glass of water has a boiling point of 100 degrees Celcius. What would be the boiling point if the amount of sample is doubled? Hint : Boiling Point is intensive property

a)

50 degrees Celsius

b)

100 degrees Celsius

c)

150 degrees Celsius

d)

200 degrees Celsius

14.

What state of matter is represented in this picture?

a)

solid

b)

liquid

c)

gas

15.

Which type(s) of matter have a definite volume?

a)

solid

b)

liquid

c)

gas

16.
convert 9 km to mm
a)
900,000
b)
9,000,000
c)
9,000
d)
90,000
17.

Convert 41 inches into cm.


1 in = 2.54 cm

a)

1.0 x 102 cm

b)

1.6 x 101 cm

c)

6.4 x 10-2 cm

d)

4.4 x 101 cm

18.

Convert 65 mi/hr into ft/min.


1 mi = 5280 ft

1 hr = 60 min

a)

5.7 x 103 ft/min

b)

2.1 x 107 ft/min

c)

2.1 x 10-4 ft/min

d)

7.4 x 10-1 ft/min

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