Physical Sciences P2 Grade 11 Exemplar 2013 Eng
GRAAD 12
NATIONAL
SENIOR CERTIFICATE
GRADE 11
PHYSICAL SCIENCES: CHEMISTRY (P2)
EXEMPLAR 2013
MARKS: 150
TIME: 3 hours
This question paper consists of 13 pages, 1 data sheet and a periodic table.
Copyright reserved
Please turn over
Physical Sciences/P2
2
NSC – Grade 11 Exemplar
DBE/2013
INSTRUCTIONS AND INFORMATION
1.
Write your name in the appropriate space on the ANSWER BOOK.
2.
This question paper consists of TWELVE questions. Answer ALL the questions in the ANSWER BOOK.
3.
You may use a non-programmable calculator.
4.
You may use appropriate mathematical instruments.
5.
YOU ARE ADVISED TO USE THE ATTACHED DATA SHEETS.
6.
Number the answers correctly according to the numbering system used in this question paper.
7.
Write neatly and legibly.
Copyright reserved
Please turn over
Physical Sciences/P2
3
NSC – Grade 11 Exemplar
DBE/2013
QUESTION 1: MULTIPLE-CHOICE QUESTIONS
Various options are provided as possible answers to the following questions. Each question has only ONE correct answer. Write only the letter (A–D) next to the question number (2.1–2.10) in the ANSWER BOOK.
1.1
1.2
1.3
1.4
Which ONE of the following chlorides will most likely have the most ionic character? A
LiCℓ
B
CsCℓ
C
BeCℓ 2
D
CaCℓ 2
(2)
The molecular shape of a molecule with the formula AB 2 is …
A
linear or bent.
B
linear or trigonal planar.
C
linear or tetrahedral.
D
linear or trigonal bipyramidal.
(2)
The boiling point of CH 4 is much lower than that of HF. Which ONE of the following best explains this difference in boiling points?
A
HF molecules are more polar than CH 4 molecules.
B
CH 4 molecules are more polar than HF molecules.
C
There are hydrogen bonds between HF molecules.
D
There are dipole-dipole forces between CH 4 molecules.
(2)
The temperature (in kelvin) of a fixed mass of an enclosed gas is given as T.
Which ONE of the following CORRECTLY represents the new temperature if both the pressure and the volume of the gas
NATIONAL
SENIOR CERTIFICATE
GRADE 11
PHYSICAL SCIENCES: CHEMISTRY (P2)
EXEMPLAR 2013
MARKS: 150
TIME: 3 hours
This question paper consists of 13 pages, 1 data sheet and a periodic table.
Copyright reserved
Please turn over
Physical Sciences/P2
2
NSC – Grade 11 Exemplar
DBE/2013
INSTRUCTIONS AND INFORMATION
1.
Write your name in the appropriate space on the ANSWER BOOK.
2.
This question paper consists of TWELVE questions. Answer ALL the questions in the ANSWER BOOK.
3.
You may use a non-programmable calculator.
4.
You may use appropriate mathematical instruments.
5.
YOU ARE ADVISED TO USE THE ATTACHED DATA SHEETS.
6.
Number the answers correctly according to the numbering system used in this question paper.
7.
Write neatly and legibly.
Copyright reserved
Please turn over
Physical Sciences/P2
3
NSC – Grade 11 Exemplar
DBE/2013
QUESTION 1: MULTIPLE-CHOICE QUESTIONS
Various options are provided as possible answers to the following questions. Each question has only ONE correct answer. Write only the letter (A–D) next to the question number (2.1–2.10) in the ANSWER BOOK.
1.1
1.2
1.3
1.4
Which ONE of the following chlorides will most likely have the most ionic character? A
LiCℓ
B
CsCℓ
C
BeCℓ 2
D
CaCℓ 2
(2)
The molecular shape of a molecule with the formula AB 2 is …
A
linear or bent.
B
linear or trigonal planar.
C
linear or tetrahedral.
D
linear or trigonal bipyramidal.
(2)
The boiling point of CH 4 is much lower than that of HF. Which ONE of the following best explains this difference in boiling points?
A
HF molecules are more polar than CH 4 molecules.
B
CH 4 molecules are more polar than HF molecules.
C
There are hydrogen bonds between HF molecules.
D
There are dipole-dipole forces between CH 4 molecules.
(2)
The temperature (in kelvin) of a fixed mass of an enclosed gas is given as T.
Which ONE of the following CORRECTLY represents the new temperature if both the pressure and the volume of the gas