Sydney Grammar 2003 Chemistry Trials Solutions

Topics: Chemistry, Sulfuric acid, Chemical reaction Pages: 39 (3109 words) Published: April 25, 2015
2003
FORM VI
TRIAL HSC EXAMINATION

Chemistry
General Instructions


Working time – 3 hours



Board-approved calculators may
be used



Write using blue or black pen



Draw diagrams using pencil



A Data Sheet and Periodic Table
are provided at the back of this
paper



Write your student number at the
top of each page in Part B

Total marks - 100
Section I Pages 2 - 24
75 marks
This section has two parts, Part A and Part B
Part A - 15 marks
 Attempt Questions 1 - 15
 Allow about 30 minutes for this part
Part B - 60 marks
 Attempt Questions 16 - 28
 Allow about 1 hour and 45 minutes for this part
Section II Pages 25 - 29
25 marks
 Attempt ONE Question from Questions 29 - 32
 Allow about 45 minutes for this Section

Form VI Chemistry

2003 Trial Examination

Part A
Total marks (15)
Attempt Questions 1 - 15
Allow about 30 minutes for this Part
Use the multiple-choice Answer Sheet.
Select the alternative A, B, C or D that best answers the question. Fill the response oval completely.
Sample

2 + 4 =
(A) 2

(B) 6

(C) 8

(D) 9

A
B
C
D

If you think you have made a mistake, put a cross through the incorrect answer and fill in the new answer.

A
B
C
D

If you change your mind and have crossed out what you consider to be the correct answer, then indicate this by writing the word correct and drawing an arrow as follows.

c
o
r
r
e
c
t
A

26/07/2014 8:41:00 PM

B

Page 2 of 32

C

D

JLH

Form VI Chemistry

1

Which of the following instruments is used to detect radioactivity? (A)
(B)
(C)
(D)

2

Litmus
Phenolphthalein
Methyl orange
Bromothymol blue

Which of the following is an industrial source of ethylene?
(A)
(B)
(C)
(D)

6

To find organic contaminants in a water supply.
To analyse concentrations of non-metals in solution.
To find the pH of a water supply.
To analyse concentrations of metals in solution.

Which of the following indicators would be best for the titration of a weak acid with a strong base?
(A)
(B)
(C)
(D)

5

Low density polyethylene
High density polyethylene
Polystyrene
Poly(vinyl chloride)

How can atomic absorption spectroscopy be used in the detection of pollutants?
(A)
(B)
(C)
(D)

4

Reflux apparatus
UV – visible spectrometer
Microscopic membrane filter
Geiger counter

Plastic film for wrapping sandwiches is made from which of the following polymers?
(A)
(B)
(C)
(D)

3

2003 Trial Examination

The cracking of alkanes.
The cracking of alkanols.
The cracking of styrene.
The cracking of polyethylene.

Which of the following chemical tests could distinguish between 1-hexene and hexane?
(A)
(B)
(C)
(D)

Addition of CO32-(aq)
Addition of SO42-(aq)
Addition of Br2(aq)
Addition of Ag+(aq)

26/07/2014 8:41:00 PM

Page 3 of 32

JLH

Form VI Chemistry

7

Which of the following types of radioactive decay produces an element with a larger atomic number?
(A)
(B)
(C)
(D)

8

MnO4
MnO2
Mn(OH)2
MnO(OH)3

In a 0.25 M solution of H2SO4 the pH would be closest to which of the following?
(A)
(B)
(C)
(D)

11

distillation
titration
gravimetric analysis
evaporation

In which species does manganese have an oxidation number of VII? (A)
(B)
(C)
(D)

10

 and  decay
gammma ray emission
 decay only
 decay only

Which of the following methods could you use in the laboratory to find the percentage of aspirin (acetylsalicylic acid) in a tablet?
(A)
(B)
(C)
(D)

9

2003 Trial Examination

0.8
0.3
2.5
1.0

Which of the following statements is true of a saturated solution of sodium carbonate?
(A)
(B)
(C)
(D)

Addition of HCl(aq) would produce a precipitate.
Addition of NaCl(aq) would produce a precipitate.
Addition of CaCl2(aq) would not produce a precipitate.
Addition of HCl(aq) would produce a gas.

26/07/2014 8:41:00 PM

Page 4 of 32

JLH

Form VI...
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