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BS 10: ANALYTIC CHEMISTRY FINAL EXAM

Total questions: 50

Worksheet time: 37mins

Name
Class
Date
1.

What are the coefficients that will balance the skeleton equation below?

AlCl3 + NaOH → Al(OH)3 + NaCl

a)

1,3,1,3

b)

3,1,3,1

c)

1,1,1,3

d)

1,3,3,1

2.

What is the name of H2SO4?

a)

hyposulfuric acid

b)

hydrosulfuric acid

c)

sulfuric acid

d)

sulfurous acid

3.

Which of the following shows both the correct formula and correct name of an acid?

a)

HClO2, chloric acid

b)

HNO2, hydronitrous acid

c)

H3PO4, phosphoric acid

d)

HI, iodic acid

4.

Which name represents the formula  Fe2O3Fe_2O_3  ?

a)

Iron (III) oxide

b)

Iron (II) oxide

5.

Match the name and formula:

a)

iron (II) oxide, Fe2O3

b)

potassium chloride, K2Cl2

c)

carbon monoxide, CO2

6.

Decomposing of an apple is an example of...

a)

chemical change

b)

physical change

7.

Which of these is an example of a Element:

a)

Tea with sugar

b)

oil and water

c)

Gold

d)

H2O

8.

Which of these is an example of a Compound:

a)

Tea with sugar

b)

oil and water

c)

Gold

d)

H2O

9.

Horseplay, practical jokes, or pranks in the classroom are

a)

not dangerous.

b)

okay if you are working alone.

c)

always against the rules.

d)

okay.

10.

It is okay to pick up broken glass with your bare hands as long as the glass is placed in the trash can.

a)

True

b)

False

11.

You have been injured in the laboratory (cut, burn, etc.). First you should

a)

apply first aid yourself

b)

tell your science teacher immediately

c)

see a doctor after school

d)

visit the school nurse after class

12.

Flammable materials should never be used near:

a)

A. An open door

b)

B. An open flame

c)

C.Another student

d)

D. A sink

13.
What does the 6 represent above the C
a)
Symbol 
b)
Name 
c)
Mass Number 
d)
Atomic Number 
14.
What does the following ion mean
              Na +1
a)
sodium gains an electron
b)
sodium loses an electron
c)
sodium gains a proton
d)
sodium loses a proton
15.

What is this piece of apparatus called

a)

Pipette

b)

Burette

c)

Janette

d)

Cuvette

16.

30cm3 of NaOH is neutralised by 12.3cm3 of 0.2mol/l HCl. What is the concentration of the NaOH.

a)

82 mol/l

b)

0.82 mol/l

c)

0.49 mol/l

d)

0.082 mol/l

17.
I have 50cm3 of 0.1M HCl. How many moles of NaOH will I need to neutralise it?
a)
5
b)
0.5
c)
0.05
d)
0.005
18.
The reaction of perchloric acid (HClO4) with lithium hydroxide (KOH) is described by the equation
HClO4 + KOH → KClO4 + H2O
Suppose 100 mL of perchloric acid is neutralized by exactly 50,0 mL of 1.0 M of Potassium hydroxide. What is the concentration of the perchloric acid?
a)
0.5M
b)
50M
c)
2.0M
d)
1.0M
19.
a method of testing a hypothesis
a)
scientific method
b)
experiment
c)
technology
d)
biotechnology
20.
information obtained directly by using your senses
a)
observation
b)
hypothesis
c)
conclusion
d)
analysis
21.
field of chemistry concerned with the composition of matter
a)
analytical chemistry
b)
organic chemistry
c)
inorganic chemistry
d)
biochemistry
22.

Identifies an unknown through by determining its composition.

a)

analytical

b)

physical

c)

organic

d)

biochemistry

23.

finding out how much nitrogen is in a sample of air

a)

organic

b)

inorganic

c)

analytical

d)

physical

24.

Which among the following is a NOT MATTER?

a)

Mars

b)

Smoke

c)

Steam

d)

none of the choices

25.

the study of the composition of matter

a)

organic chemistry

b)

inorganic chemistry

c)

biochemistry

d)

analytical chemistry

e)

physical chemistry

26.

Which of the following would a chemist be most likely to study?

a)

a leaf floating on water

b)

a leaf changing color in autumn

c)

a leaf being blown by the wind

d)

a leaf being eaten by insects

27.

State the function of round-bottomed flask

a)

To contain chemicals used in preparing gases when no heating is required

b)

To contain chemicals or to collect liquids

c)

To contain chemicals used in preparing gases when heating is required

28.

This laboratory apparatus is used to measure temperature

a)

meterstick

b)

graduated cylinder

c)

spring balance

d)

thermometer

29.

This is the source of heat when heating chemicals in test tubes

a)

Bunsen Burner

b)

Test tube holder

c)

Filter paper

d)

Dropper

30.

This measure the amount of liquid.

a)

Erlenmeyer Flask

b)

Graduated Cylinder

c)

Beaker

d)

Test tube

31.

It olds the beaker or other glasswares when heating.

a)

Test tube rack

b)

Graduated Cylinder

c)

Tripod

d)

Rubber stopper

32.

What's this?

a)

Spatula

b)

Petri Dish

c)

Evaporating Dish

d)

Iron stand

33.

It is used to separate solid materials from liquid.

a)

Evaporating Dish

b)

Thermometer

c)

Meterstick

d)

Filter Paper

34.
Identify the equipment shown here:
a)
crucible
b)
evaporating dish
c)
mortar and pestle
d)
bowl
35.
Identify the equipment shown here:
a)
beakers
b)
flasks
c)
decanters
d)
measuring cylinders
36.
The lab room is an excellent place to
a)
Run around and play tag.
b)
Play a joke or prank on a fellow classmate
c)
Run an experiment.
d)
Have a snack
37.

Test tube holder are used to

a)

hold test tube

b)

hold test tubes while they are heated up

c)

none

38.
What is used to measure the volume of liquids very precisely?
a)
beaker
b)
graduated cylinder
c)
Erlenmeyer flask
d)
test tube
39.

What is this piece of equipment called?

a)

Retort stand

b)

Parallel stand

c)

Test tube stand

d)

Chemistry stand

40.
What step does every scientific experiment begin with?
a)
hypothesis
b)
question/problem
c)
procedures
d)
conclusion
41.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
42.

A chemical or physical principle that can be used to analyze a sample.

a)

analytes

b)

determination

c)

technique

d)

method

43.

An analysis of a sample to find the identity, concentration, or properties of the analyte.

a)

analysis

b)

analytes

c)

determination

d)

matrix

44.

A process that provides chemical or physical information about the constituents in the sample or the sample itself.

a)

analysis

b)

analytes

c)

matrix

d)

determination

45.

What is APHA?

a)

American Public Health Association

b)

American Private Health Association

c)

Association Public Health of Americans

d)

All of these

46.

A set of written guidelines for analyzing a sample specified by an agency.

a)

signal

b)

method

c)

determination

d)

protocol

47.

A technique in which the signal is proportional to the analyte's concentration.

a)

total analysis

b)

concentration

c)

classical

d)

instrumental

48.

A technique in which the signal is proportional to the absolute amount of analyte.

a)

total analysis

b)

concentration

c)

classical

d)

instrumental

49.

It is the constituents of interest in a sample.

a)

analysis

b)

analytes

c)

matrix

d)

determination

50.

An experimental determination of an analyte's chemical or physical properties.

a)

analysis

b)

analytes

c)

determination

d)

measurement

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